Energy Saving: GU10 LED bulb is equivalent to 50 watt incandescent bulbs, saving up to 90% energy and reducing most of the electricity bill, 25000h lifespan, no need to change bulb frequently. These bulbs are not dimmable, please do not use it in a dimmer. Excellent Performance: Standard GU10 base, easy installation by screwing the socket to replace regular chandelier bulbs; Transparent glass materials and ceramic base, with fast heat dissipation and exquisite craftsmanship, brighter and more stable. And no flicker, no lead, mercury and UV/IR light contained, good for the environment. Bright Light: 4W GU10 LED bulb emits 450LM,6500K from 110 degree beam angle, which can perfectly replace 50W halogen lamps and provide bright and energetic ambience. CRI>85 guarantees vivid visual enjoyment with original colors. It is used between 220-240V. Application: Fits standard GU10 base, replaces ordinary GU10 halogen bulbs, and can be widely used in track lighting, overhead hood, oven above, kitchen sink above bathroom, task lighting, pendant lighting, store, artwork, photography spot lighting. >