1.  144pcs high efficiency LEDs; 
2.  Rated Luminous Flux: 2200lm; 
3.  Viewing Angle: 85-100 degree; 
4.  Color Temperature:6500K-500K; 
5.  Central Light Intensity: 890cd; 
6.  Color Render Index:   ＞70; 
7.  Work Temperature: -20℃ ~ +50℃.