1. Led light source:1W/3W

2. Forward voltage:AC110V/AC220V

3. Chip:semileds

4. Ra＞80

5. Brightness declines :3-4%/1000hours

6. The time of warranty :18months

7. The material of shell:aluminum

8. The emitted color :pure whithe,warm white,RGB and so on

9. Beam angle :30-60°(the brightness of white color can instead of 5W save-energy light)