This is a Ushio BRL 64610 50 watt 12 volts. It has a shape of T3, a rated life of 50 hours, and a maximum overall length of 1.716 inches. It has a lumens of 1600, a lamp finish of clear and a diameter 0.453 inches. It's color rendering index is 100 and it has a base of G6.35 2-pin. This base is used for Residential Lamps, Desk lamps, Hanging Lights, and more. It is very small but very effective.