... than incandescent lamp.2) Use cree XPE R2 chips,126lm/w for cool white.3) Environment friendly. no UV no infrared radiation ... 2,600-3,700K /Neutral White 3,700-5,000K /Cool White 5,000-10,000K Mechanical Data Light Type high ... CREE XR-E chips and VDE,CE,EMC improved constant current controller 6.Showroom designEvery year passun will change the showroom ...