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DescriptionOSRAM 64405S 5 Watt 12 Volt, T4, G4 2-Pin, Clear, 2000 Hrs Average Life, Halogen Halostar Starlite Light Bulbs, , Features:, - Brilliant accent light, - Incredibly small dimensions for revolutionary new ...
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DescriptionThis BulbAmerica 10T3Q/CL 10 watt 12 volts G4 base Quartz Halogen Bulb has many different applications. This bulb consumes 10 watts 12 volts has a rated life of 2000 hours. It has a maximum overall length of 1 ...
DescriptionThis BulbAmerica EVA 100 watt halogen bulb has a base of GY6.35 2-pin. This base is used for Museum, Living Room, Hotel, Restaurants, Bars and many more applications. It has a diameter of 0.453 inches, a ...
DescriptionBulbAmerica H4 / 9003 12v 60/55w P43t Xenon Clear - Heliolite Standard Halogen Bulbs are OEM quality and made in Korea with high ... /55Bulb ShapeT4 5/8FilamentC-8/C-8Lumen1650/100Lifetime B3/TC350 ...
DescriptionFTC 20w 12v MR11 Narrow Flood, 2-Pin Base, halogen lampSpecsAnsi CodeFTCBaseGZ4 Miniature 2-PinBeam Angle (deg.)17Beam SpreadNarrow Flood NFLBulb TypeHalogen BulbsColor Temperature (K)2925KMaximum Overall ...
DescriptionThis OSRAM BRL 64610 50 watt 12 volts have a shape of T3 and a rated life of 50 hours. It has a maximum overall ... - Projection, , Features:, - OSRAM HLX 64610 Halogen Lamp, - Single Ended Bulb, - 64610HLX, - ...
DescriptionEFP 100 watts 12 volts HLX GZ6.35 2-Pin Halogen Light BulbSpecsAbbreviation NameEFPAnsi CodeEFPBaseGZ6.35 2-PinBulb TypeHalogen BulbsColor Rendering Index (CRI)100Diameter (in) 2.008 FilamentC-8Lamp ...
... of light.Features:, - 35 Watt, 12 Volt, - 2,000 Hour Average Lamp Life, - GY6.35 Single Ended Base, - Provides a bright, white halogen light, - Q35/CL/GY6.35/12V/CD2, SpecsGeneral CharacteristicsBulbBi-PinLamp TypeSingle ...
DescriptionOsram 35 Watt 12 Volt, T12, GY6.35 2-Pin base, Clear, 2000 Hrs Average Life, Halogen Light Bulbs.Features:, - Wattage: 35w, - Light output: 635 Lumens, - Rated Life: 2000 Hours, - Base pins are tempered to ...
... no mercury, - Made in Germany, , Product features, - 20 watt 12 volt , - Beam Spread: Spot, - Color temperature: 2,800 K, ... GY4 Beam Angle (degrees) 8 Beam Spread Spot SP Bulb Type Halogen Bulbs Color Warm White Color ...
DescriptionOSRAM 64432 S - 35 Watt 12 Volt, T12, GY6.35 2-Pin base, Clear, 2000 Hrs Average Life, 765 lumens Halogen Light Bulbs.Features:, - Wattage: 35w, - Light output: 765 Lumens, - Rated Life: 2000 Hours, - Base ...
... watts 12 volts GZ6.35 Bipin HLX 50 hours Halogen light bulb, , Applications, - Dental, - Fiber Optic, - Microscop, - Projection, , Features , - Osram EFN (HLX 64615) Halogen ... 1000270, - Philips 31502-8, 315028, - Philips ...
DescriptionThis is a Philips BRL 64610 50 watt 12 volts. It has a shape of T3, a rated life of 50 hours, and a maximum overall ... InfoManual:Philips 316273 7027 50W G6.35 12V, Philips EU Declaration of Conformity, Equipment ...
... watts 12 volts 64621 HLX Halogen Light Bulb, The OSRAM 64621 HLX uses Xenon instead of krypton gas used in standard halogen ... 64621 HLX, - OSRAM 54032, - Ushio SM-64626 12V-100W, SM64626, - Philips 31882-4, - NARVA 131186 ...
DescriptionThis USHIO JC100w 12vG Halogen Lamp has a few different applications. This bulb consumes 100 watts 12 volts with a rated life of 2000 hours.This bulb is most common for use in Residential Lamps, Desk lamps, ...
DescriptionOSRAM EFP/X 64629 100 watts 12 volts HLX 600 Hours Halogen light bulb, , Features, - Precise filament alignmment with patented quartz pinch technology, - OSRAM HLX lamps provide 10% higher luminous efficacy ...
DescriptionGE 5108WW - 28175 8 watt T5 Fluorescent Bulb has a Miniature Bi-Pin Base. It has a rated life of up to 7500 hours and gives ... - Bulb Shape: Linear T5, Wattage: 8, - Color temperature: Warm White, SpecsGENERAL ...
... Pro 64432 Long Life 35W 12V GY6.35 base halogen bulbFeatures:, - Wattage: 35w, Voltage: 12v, - Light output: 860 ... Life (Hours)4000ShapeT12Voltage (V)12VWattage (W)35WAdditional InfoManual:HALOSTAR PRO 35 W 12 V GY6.35
DescriptionUshio HPL-750/115V+, JS115V-750WC 750 Watt 115Volt tungsten halogen, HPL series., , The High performance Ushio 1003153 HPL-750/115V+, JS115V-750WC, 1500 Hour lamp has been redesigned to be the most powerful ...
DescriptionH11 12v 55w LL Xenon Clear - Heliolite Standard Halogen Bulbs are OEM quality and made in Korea with high quality materials, the purest gas and precision filament placement, these bulbs are the perfect option ...
... replace their old, dim, or underperforming headlights. , XENON clear halogen headlight delivers more downroad visibility using a brighter light bulb with no ... /55Bulb ShapeT4 5/8FilamentC-8/C-7Lumen1350/1000Lifetime B3/ ...
... In addition, you get all the proven advantages of halogen technology such as a CRI of 100 - the ... with almost no lumen reduction throughout their lifetime.Features:, - Volt: 12v, Watts: 75w, - Base: G5.3 2 Pin, - Colortemp: ...
DescriptionUshio HPL-750/230X, JS230V-750WXN HPL lamp 750 Watt 230V tungsten halogen, HPL series., , The High performance Ushio 1003179 HPL-750/230X, JS230V-750WXN, 1500 Hour lamp has been redesigned to be the most ...
DescriptionBulbAmerica H1 100W Heliolite Xenon White bulbs twin packs are made with high quality Quartz glass and a high-precision blue coating. , , The outcome is a bulb that produces a unique stylish look with a crisp, ...
DescriptionBulbAmerica 12V 55W H15 Halogen Xenon Clear Automotive BulbSpecsAbbreviation NameH15Ansi CodeH15Bulb TypeXenon Halogen BulbsVoltage (V)12VWattage (W)55W
DescriptionThis USHIO JC12V-50W Halogen Lamp has a few different applications. This bulb consumes 50 watts 12 volts with a rated life of 2000 hours.This bulb is most common for use in Residential Lamps, Desk lamps, ...
... Sunlite 10-watt MR11 dimmable halogen lamps have a 30° Narrow Flood beam angle and a standard GU4 base. They feature Cover Guard and prismatic reflectors. With a 2000-hour life span. Designed for use in 12-volt lamps ...
... - HALOGEN LAMPS - These UV protected 10-watt 12-volt halogen bulbs produce more lumens per watt (LPW ... LIFE - With a 2000 hour life span these bulbs will last 1.8 years (based on 3 hours per day use)., - INDOOR AND OUTDOOR ...
... :, - HALOGEN LAMPS - These UV protected 35-watt 12-volt halogen bulbs produce more lumens per watt (LPW) ... LIFE - With a 2000 hour life span these bulbs will last 1.8 years (based on 3 hours per day use)., - INDOOR AND ...
... 12V MR11 - 64617 Dental Replacement Halogen BulbBulbamerica 75 watts 12 volts MR11 Halogen Lamp. Typical lifetime is 25 hours. This lamp has a G5.3-4.8 ... Rated Life (hr) 25 Base G5.3-4.8 Bipin Bulb MR11 Class C (gas) Color ...
... 100 watts 12 volts GY6.35 2-pin base 3400k Halogen Light BulbSpecsBrandPHILIPSAbbreviation ... L35 Copex, - Ambico V-0201 Video Light Model V-0200 or for 12V DC operation of Model V-0170 only, - American Optical 2052, - Ando ...
... EVA 100w GY6.35 base Halogen Light Bulb Projector Lamp has many different applications. This PLATINUM EVA bulb is most common to replace the Osram HLX 64623.This bulb consumes 100 watts 12 volts has a rated life of ...
Description100 watts 12 volts MR16 EFP GZ6.35 2-pin base 3350k Clear Halogen Light BulbSpecs Manufacturer Sunlite NAED 70060-SU UPC 653703700601 Ansi Code EFP Base GZ6.35 2-Pin Bulb Type Halogen Bulbs Color Clear Color ...
DescriptionPhilips 75 watts 12 volts MR11 R35 13865 G5.3 2-pin base 3400k Halogen Reflector Light ... Research 3052 , Additional InfoManual:Philips 264234 13865 75W G5.3/4.8 12V, Philips EU Declaration of Conformity
DescriptionThis sunlite FTD bulb is 20 watts 12 volts and has a 16 degree beam angle that causes a narrow flood beam spread. This FTD halogen MR11 bulb has a rated life if 2000 hours and an overall length of 1.35 inches. ...
DescriptionThis USHIO JC 10w 12v G4 Halogen Lamp has a few different applications. This bulb consumes 10 watts 12 volts with a rated life of 2000 hours.This bulb is most common for use in Residential Lamps, Desk lamps, ...
... 75w 12v GZ6.35 - 64615 HLX Replacement Light Bulb, Bulbamerica 75 watts 12 volts GZ6.35 Bipin 50 hours Halogen light ... Bulb Type Halogen Bulbs Color Rendering Index (CRI) 100 Diameter (in) 2.008 Filament C-8 Lamp Finish ...
... 100w 12v Long Life - 64629 HLX Replacement Halogen bulb , Bulbamerica 100 watts 12 volts 600 Hours Halogen light ... Bulb Type Halogen Bulbs Color Rendering Index (CRI) 100 Diameter (in) 2.008 Filament C-8 Lamp Finish Clear ...
DescriptionThis PLATINUM EFP bulb which uses 100 watts and 12 volts. It has a rated life of 50 hours and has a base type which is a Gz6.35 (Bi pin Halogen light bulb). The maximum length of this PLATINUM EFP bulb is 1.81 ...
DescriptionThis USHIO JC12v-35w Halogen Lamp has a few different applications. This bulb consumes 35 watts 12 volts with a rated life of 2000 hours.This bulb is most common for use in Residential Lamps, Desk lamps, ...
Description 100w 12v G6.35 - 62138 HLX replacement Halogen bulb , Bulbamerica 100 watts 12 volts G6.35 Bipin 50 hours Halogen light Bulb , , Cross Reference: , - Osram 54256 62138 HLX Specs Abbreviation Name BA62138 Base ...
... watts 12 volts Halogen Light Bulb , , Cross Reference: , - Osram 64621 , - Osram 54032 , - Ushio SM-64626 12V- ... Stage and Studio , Specs Base PG22 Bulb Type Halogen Bulbs Color Rendering Index (CRI) 100 Color Temperature ...
Description42 watts 12 volts MR16 Narrow Flood EYS Halogen Projector Light BulbSpecsAbbreviation NameEYS 42MR16 GU5.3 12VAMPS3.5Ansi CodeEYSBaseGU5.3 2-PinBeam SpreadNarrow Flood NFLBulb TypeHalogen BulbsColorSoft ...
DescriptionUshio 1003001 JCR12V-100W/10H - 100 watts 12 volts MR16 Clear JCR GZ6.35 2-pin base Halogen Light BulbSpecsManufacturerUshioCode1003001Abbreviation NameJCR12V-100W/10HBaseGZ6.35 2-PinBulb TypeHalogen ...
DescriptionThis USHIO 35w 12v JC12V-35WF GY6.35 Base Halogen Lamp has a few different applications. This bulb consumes 35 watts 12 volts with a rated life of 2000 hours.This bulb is most common for use in Residential ...
... : Halogen Bulbs, - Filament: C-6, - Base: P29t, - Bulb Shape: T-4 5/8, ... - High Beam Wattage: 65W , - Low Beam Wattage: 45W , - Lumens: 700LM , - Color Temperature: 4200K , - Amperage Draw: 3.51Amp , - Voltage: 12V ...
DescriptionThis a 4 pack 50W 120V MR16 Halogen light bulb. This MR16/PAR16 has a GU10 base, a flood beam angle, and ... , - Only For Use in Approved Halogen Fixtures, , SpecsBaseGU10Beam Angle (deg.)50Beam SpreadFloodBulb ...
... -Stage Studio , -Night Club, , Features , - 64514 Clear Halogen Bulb , -Single Ended Lamp , -Only for Use in Approved ... Enclosed Halogen FixturesSpecsAbbreviation Name64514Ansi Code64514BaseGX6.35 ...
DescriptionThis Ushio 64514 bulb is a 300W/120V halogen light bulb. This is an audio/visual market light bulb. Its base is G6.35 2-pin and has a distinctive filament for your applications. The light center length is 1. ...
DescriptionEXY 250 watts 82 volts GX5.3 Bipin Base MR13 200 hours halogen light bulbSpecsAbbreviation NameEXYAnsi CodeEXYBaseGX5.3 2-PinBulb TypeHalogen BulbsColor Rendering Index (CRI)100Diameter (in) 1.654Lamp ...
DescriptionBulbAmerica 150W 120V Clear Double Ended 79mm Halogen Bulb, , The BulbAmerica Double Ended halogen bulb has a rated life of 2000 hours., The Double Ended bulb provides a bright whiter light than incandescent ...
DescriptionBulbAmerica 20w 120v JCD G8 Bi-Pin Base Clear Finish Halogen Bulbs- Base: G8 Bi-Pin Base (8mm Millimeters between Pins) 20 Watts 120 Volt, - Long Life: Approx. 2,000 Hours bulb life, - Usage: Applicable Home, ...
... Bulb, , The BulbAmerica AR70 halogen bulb has a rated life of 3000 hours., The AR70 bulb provides a bright whiter light than incandescent bulbs. , The bulb uses 20W operates at 12V and has BA15d Double Contact Bayonet ...
... , showcase displays and most common residential and commercial lighting needs.SpecsBrand: BulbAmericaBulb Type: Halogen BulbANSI Code: Wattage: 25WVoltage: 120VBase: G9 2-PinShape: T4Average Rated Life: 2000Hr.Light ...
... , showcase displays and most common residential and commercial lighting needs.SpecsBrand: BulbAmericaBulb Type: Halogen BulbANSI Code: Wattage: 40WVoltage: 120VBase: G9 2-PinShape: T4Average Rated Life: 2000Hr.Light ...
... lighting, showcase displays and most common residential and commercial lighting needs.SpecsBrand: BulbAmericaBulb Type: Halogen BulbANSI Code: Wattage: 60WVoltage: 120VBase: G9 2-PinShape: T3.5Average Rated Life: 2000Hr ...
... perfect option for those looking to replace their old, dim, or underperforming headlights. , XENON clear halogen headlight delivers more downroad visibility using a brighter light bulb with no added glare. , , Features ...
Description 600W/120V DYS 600 watt, tungsten halogen, medium to high voltage, single-ended, ... 78-8000-5269-4, - 3M 78-8000-2967-4, - 3M 78-6969-1555-8, - Acme-Lite DYS, - Atlas/Thorn A1/264, - Bogen DYS, - Bulbrite 761050 ...
Description300W/82V, MR13 tungsten halogen, low to medium voltage with reflectorFor slide projectors, film projectors, and other applications the FHS bulb is a common light source. This 300w 32V FHS replacement bulb is a ...
DescriptionBulbAmerica 12V 55W H11 Halogen Xenon Clear Automotive BulbSpecsAbbreviation NameH11Ansi CodeH11Bulb TypeXenon Halogen BulbsRated LifeB3 / TC 550 / 1100Voltage (V)12VWattage (W)55W
... old, dim, or underperforming headlights. , XENON clear halogen headlight delivers more downroad visibility using a brighter light ... GlassVolts12Wattage100/80Bulb ShapeT4 5/8FilamentC-8/C-8Lumen2800/1500Lifetime B3/TC100 ...
... Light Bulb, , BulbAmerica Heliolite Standard Halogen Bulbs are OEM quality and produced with ... , dim, or underperforming headlights. , XENON clear halogen headlight delivers more downroad visibility using a brighter light ...
DescriptionOSRAM DDL 150 watts 20 volts MR16 halogen light bulbSpecsManufacturerOSRAMPart Number54660UPC046135546600EAN4052899565388Abbreviation NameDDLAnsi CodeDDLBaseGX5.3 2-PinBulb TypeHalogen BulbsColor Rendering ...
DescriptionOsram DED 85W MR16 tungsten halogen projection light bulb, , CROSS REFERENCES, Imported Lamp Code 52340, - GE 43950 DED, - Osram 64618, - Osram Sylvania 54726 DED 64618, - Philips 13194, - Philips 31475-7 DED, ...
... ideal for lighting design. These characteristics backed by robust construction and precision optics make OSRAM halogen lamps the reliable choice.Product features and benefits:, - Robust construction for reliable, lasting ...
... - EJA 150W 21V MR16 Halogen BulbThis OSRAM 150W/21V tungsten halogen bulb is most commonly used ... 76223, - Olympus 8C404, - Osram Sylvania 54753 EJA, - Philips 44142-8 EJA 150W 21V, - Sci Can EJA, - Storz 103C, - Sunlite ...
DescriptionOSRAM 54842 - EKE bulb - MR16 150w 21v Halogen Light Bulb, , This OSRAM brand EKE 150 watt bulb is 21 watts and has a base of GX5.3 (2-pin). Its color temperature is 3300k and has a diameter of 1.989 inches. ...
... watts. Also, this lamp is a tungsten halogen with a low to medium voltage. This is also a reflector., , Applications , - Projection, , Features, - OSRAM ENH Halogen ... Eurolite Duoscan, - Eurolite Flood 8, - F.A.L. Babyscan ...
... throughout their lives., , The Osram ESA 64225 HLX bulb uses 10 watts and 6 volts. It also has a G4 Bipin base with rated life of 100 hours. This Halogen light Bulb has a clear finish and a t3 shape.For a longer ...
... ETH bulb 150watt 120Volt JCV120V-150WGSNF Halogen Lamp, E11 base,SpecsAbbreviation NameETH, ... Life (Hours)2000Voltage (V)120VWattage (W)150WAdditional InfoManual:Ushio 1000378 ETH 150W 120V E11 T4 Halogen Bulb
DescriptionThis BulbAmerica Tungsten Halogen MR16 STANDARD UV-Stop Capsule With Axial Filament is 50 watts and 12 volts. It has a frost glass finish and a GU5.3 2-Pin base with a Dichroic Reflector. This EXT MR16 has a ...
DescriptionOSRAM 54574 FAD - 650w 120v R7s Double Ended Halogen Light Bulb, The OSRAM FAD bulb is a Halogen double ended bulb with R7s Recessed Single Contact base., The maximum overall lenght is 3.1inch.and has a rated ...
DescriptionFCM bulb OSRAM 1000w 120v R7s Double Ended Halogen Light Bulb, , This OSRAM brand halogen bulb has a R7s Recessed Single Contact base., , The Double Ended halogen bulb has a rated life of 400 hours., , The ...
DescriptionFDN bulb OSRAM 500w 120v R7s Double Ended Halogen Light Bulb, , This OSRAM brand halogen bulb has a R7s Recessed Single Contact base., , The Double Ended halogen bulb has a rated life of 400 hours., , The ...
... JS115V-375WX 375 Watt 115 Volt 1000hr., 3050K, 8000LM, tungsten halogen, Long Life ... Sink, - Base: G9.5 2-Pin w/ Heat Sink, - Bulb Type: Halogen Bulbs, - Color Rendering Index (CRI): 100, - Color Temperature (K): 3050K, ...
... -575WX, HPL 575Watt 115V Long Life tungsten halogen, HPL Lamp., , The High performance Ushio ... - Base: G9.5 2-Pin w/ Heat Sink, - Bulb Type: Halogen Bulbs, - Color Rendering Index (CRI): 100, - Color Temperature (K): ...
DescriptionThis 575 watt, tungsten halogen, long life, Ultra Compact Filament (UCF) is part of the stage, studio and architectural family of light bulbs, the HPL is designed to work with ETC Source Four fixtures. Though ...
Description575W/120V, tungsten halogen, HPL series, Ultra Compact Filament (UCF)"HPL lamps" are a group of stage & studio and architectural lamps and have been specifically engineered to work with ETC Source Four ...
DescriptionOSRAM HPL750/115/X HPL 750 watts 115 volts Long Life 1500 hours, Medium Bipin with Heat Sink base, halogen light bulb. The HPL750/115 bulbs is used in following equipment, - ETC Source Four, - ETC Source Four ...
DescriptionThis is the FTK OSRAM Halogen lamp. It first uses are in stage & studio for it has a compact design with plenty of light and an excellent ... Video, Features, - OSRAM FTK Halogen Bulb, - Single Ended Lamp, ...
... . This halogen bulb has 2.52 Watts and 3.5 volts , Feature: , - Halogen Lamp, - 2.52 watts, - ... Anoscope , - BiValve Nasal Speculum: 26030, 26035, - HPX Halogen Otoscope bulb, - 25270, 25070, 97110, 97100, 97150, 92800 ...
DescriptionOSRAM EHJ 64655 HLX 250 watts 24 volts G6.35 Bipin 50 hours Halogen light Bulb, , Applications:, - 8mm Movie Projector, - 16mm Movie Projector, - 35mm Slide Projector, - Bar/Night Club/Disco Lighting, - Dental ...
... watts MED HAL OS08800-U Medical Miniature Halogen LampOSRAM, an industry leader in specialty lighting, introduces the Medical Mini-Halogen ... medical devices. The OSRAM Medical Mini Halogen family of replacement lamps is an ...
... Name 64258HLX Base G4 2-Pin Bulb Type Halogen Bulbs Color Rendering Index (CRI) 100 Diameter ... .14 Rated Life (Hours) 2000 Shape T3 Voltage (V) 12V Wattage (W) 20W Video Additional Info Manual: OSRAM 54262 64258 ...
DescriptionOSRAM 64265 HLX Halogen lamps offer brilliant light, high light output, a constant color temperature ... - Philips 5761, - Osram HLX64265, - NAED 54606, - Olympus 8-C410, - Nikon 84246, - Nikon 78021, - Nikon CS-1 ...
DescriptionOSRAM 64415 - 10 Watt 12Volt, T10, G4 2-Pin base, Clear, 2000 Hrs Average Life, Halogen Light Bulbs., , Features:, - Brilliant accent light, - Incredibly small dimensions for revolutionary new luminaire ...
DescriptionOsram 64425S 20w 12v G4 Bi-Pin Halostar Starlite Halogen bulb, The Osram 64425S (Halostar Starlite 300Lm) is the same bulbs as 64425 (Halostar Standard 320Lm)Product benefits:, - Brilliant accent light, - ...
... 12V Halogen bulb, Made in Germany, the OSRAM family of BI-PIN lamps represents an outstanding collection of compact, low voltage halogen ... by 90% compared to regular quartz. , 12V OSRAM BI-PIN lamps are low-pressure, low ...
... Baking ovens replacement light bulb, - Wattage: 20w, - Voltage: 12v, - Light Output: 300 lumens, - Rated Avg Life 2,000hrs ... of conventional oven lighting, - Optimum halogen content for high temperatures, - Tempered ...
DescriptionOsram 50 Watt 24 Volt, T4, GY6.35 2-Pin base, Clear, 2000 Hrs Average Life, Halogen Light Bulbs.Features:, - Base pins are tempered to protect against corrosion, - Axial filament ensures optimum directional ...
DescriptionThis OSRAM 64514 bulb is a 300-watt 120 volt with a base of GX6.35 2-pin. , This bulb's shape is a T6 ... - Night Club, , Features, - Osram 64514 Clear Halogen Bulb, - Single Ended Lamp, - Osram Replacement for LL ...
... bulb has many uses. The most common use is for applications such as microscopes, projectors and fiber optics. This is a Halogen bulb and has an MR16 shape. It has a rated life of 50 hours and a GZ6.35 base which means it ...
DescriptionOSRAM 64611 HLX Halogen lamps offer brilliant light, high light output, a constant color temperature and excellent color rendering throughout their lives., , The OSRAM 64611 HLX are easy to use, dimmable and ...
DescriptionThis is the OSRAM BTN. It uses 750 watts and 120 volts. This Tungsten halogen lamp has a T7 shape with a C-13d filament. The rated life on this lamp is 500 hours with a P28s medium Prefocus base. ...