1.Length&wattage& led q'ty:
4ft 42w 98*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: 5000k