Wattages will vary depending on whether the bulb is an incandescent or halogen.
Incandescent 31w -1,000w
Beam angles may vary depending on bulb type, wattage, and/or manufacturer. The following chart is a general pairing of beam types and beam angles.
Wide Flood (WF) 37˚- 45˚+
Medium Flood (MFL) 23˚- 30˚
Narrow spot (NSP) 10˚- 20˚