... aluminum+PC cover E27 High Quality Aluminum Module 7w Led Bulb Lighting LED Bulb Specifications:1,Material: aluminum+PC cover2,Light source ... protection 3,Environment-friendly, No light pollution and no UV and IR radiation 4,Long lifespan can reach 50000h5, ... temperature -20°c - +40 °c Color Rendering Index >80RaLED bulb Application:Super market, Office, meeting room, showroom, classroom, shopping mall ...