GSTAR LIGHTING R20 7 Watt LED Warm White 3000K ETL listed E26 Socket, 40 Watt Incandescent bulb Replacement Light Bulb R20 LED bulb lasts over 30,000 hours with dimmable Warm White light up to 80% energy saving compare to an incandescent bulb and up to 50% CFL bulb with only 7 Watt energy consumption Mercury Free: Safe to dispose and UV radiation free Color Rendering Index(CRI): &gt;80, Light Output(Lumens): 450, Compliable temperature: -4 to 104 Degress Fahrenheit (-20 to 40 Degree Celsius ) ETL listed and 3 Years Manufacturer warranty