Le Gu10 Led Light Bulbs Non-Dimmable, 5000K Daylight White Gu10 Bulb, 6 Pack ??5000K Daylight 100Beam Angle? 350LM output for bright, comfortable white light; perfect for track, recessed, and accent lighting. Note: These LED bulbs are NOT dimmable; using them with dimmer switches may cause flickers. ??Energy Efficient Long Lasting? 4W GU10 LED bulbs replace 50W halogen bulbs, saving 90% on your electricity bill. With a lifespan of over 15,000 hours, they last 10 times longer than halogen and incandescent bulbs. ??Easy Installation? Standard PAR16 shape and GU10 lock base allow for effortless installation in your regular GU10 lamp holders. ??Safe Eco-Friendly? No mercury, no UV/IR light; safe for your family and better for the environment. ??Versatile Application? Ideal for residential and commercial lighting in living rooms, bedrooms, kitchens, garages, bathrooms, studies, and offices. ??Warm Tips? Ensure that the light bulb base matches your light fixture. PAR16 is the reflector shape, and the base type is GU10. Verify the bulb type before ordering.