GE Lighting 62915 Energy Smart LED 4.5 Watt (20 Watt Replacement) 210-Lumen MR16 Floodlight Bulb with GU5.3 Base, Not for Use With Dimmers, Electronic Timers or Photocells 1-Pack MR16 shape with GU5.3 base for use directional fixtures such as recessed can lighting 20-watt replacement uses only 4.5-watts Input Voltage = 12 volts Provides 210 lumens Lasts 22.8 years based on 3 hours per day usage