Innovative LED lighting with high efficiency advantages Bulb operates for an average life of 25,000 hours, emitting 320 lumens. Efficiently replaces 50-watt, 230-volt halogen bulbs with GU10 socket. Dimming feature offers more lighting options. Mercury free and UL listed for performance and safety. Retrofit for interior lighting. Zenaro GU10 Retrofit LED Lamp, 5 Watts, Day Light, 50 Degree Beam Angle is one of many LED Bulbs available through Office Depot. Made by Zenaro.