1.Length&wattage& led q'ty:
2ft 20w 96LEDS
4ft 40w 96*2LEDS
5ft 48w 144LEDS
6ft 54w 96*2LEDs
8ft 75w 144*2LEDS
2.Input Voltage: AC100-277V
3.Power Factor:0.95
4.Luminous efficiency: 28Lm/ LED
5.Light effect (LM/W): 110lm/W
6.Color Rendering Index:>80Ra
7.Viewing Angle: 170 degree
8.Lifespan: 50,000h
9.Tube Material: aluminium alloy back+PC cover
10.Color Temperature: White: 6000k-6500k