1. Led light source: 1W

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 7W save-energy light)