Litetronics L-3700 - 10PK - 50W - MR16 - GU10 Base - 120-125V - 3,000Hrs - FL - Halogen This 50-watt Mirro MR16 has a flood beam spread that distributes light evenly and a GU10 base. It operates on 120 volts and does not require a transformer. 3000 Average Life Hours GU10 Base MR16 Flood Beam Spread Used in Restaurants, Hospitality, Retail, Casino and track lighting