Dimmable Function?Fully Smooth dimming from 10%-100%, compatible with leading-edge dimmer switches. You can adjust it from a full bright glow to a dim cosy color. CRI (Color Rendering Index) >80 provides vivid and natural colour ?Energy Saving & Eco-friendly?50/60W Halogen bulb replacement, saving up to 90% on electricity bills. Lifespan is up to 20, 000 hours, which will lower costs by reducing replacement frequency. CE/ROHS certified, Mercury-free, Lead-free, No UV/IR Radiation, safe to your family ?Wide Application?Instant full 4000K day white light, create a bright and energetic daylight white colour. With 120-degree beam angle and high colour rendering (CRI>80) , these bulbs can cast a uniform and vivid glow, flicker-free, ideal for living room, offices, kitchen, hotels and hallway etc ?Easy to Install?Standard GU10 base, fit well into all regular GU10 lighting fixtures, plug and play, instant on to full brightness, no hum quiet operation and low heat generation which keeps the bu