Up to 1800 Lumen output. 4 Foot T8 with rotatable G13 end caps. Power is 12-36 Volts AC or DC. Power is applied to one end. Since power is applied to one end please use non shunted tombstones. Both Plus 12-36 on one pin of the G13 end cap and ground on the other pin on the same side g13 end cap. This wiring should be done in the fixture that accepts a standard T8 or T12 tube light. You have to bypass or remove the ballast. Then you have to wire the tombstones as described hooking up power to each pin above. CE and Rohs certified. The viewing angle is 120 degrees. The tube is not dim-able. The led tube has a wide voltage to operate from 12 volts to 36 volts A.C. or D.C. The tube is made of 1/2 aluminum and 1/2 frosted plastic lens. There are 120 pcs of 2825 SMD led chip for the best illumination possible. PF>90. The diameter is 26mm and the length is 1.2m or 4 foot. This bulb is comparable to a 175 Watt incandescent light bulb but only uses 18 watts. The rated life is up to 30,000 hours. The available color is Daylight White 4000-4500K.