Color temperature: 
     ww(warm white):    3000-3500k 
     cw(commercial white):   4500-6000k 
     pw(pure white):    6500-7500k 
     RGB
Material:           Aluminium+PMMA  
Size:                  300*600MM
Power:              27W
Luminous:        1780-1840LM
LED type:          SMD2835
Input voltage:  AC100-245V
Frequency:                 50-60Hz
PF(power factor):      >0.9
Power efficiency:      >87%
CRI:   >70
Store temperature:     -20℃---40℃
Lifetime:           50000Hrs
Warranty:        3 years
Carton size:    340*635*220MM