T8 T12 3 Foot 15 Watt 12V to 36V AC DC G13 Power Both Ends. Up to 1800 Lumen output. 3 Foot T8 with rotatable G13 end caps. Power is 12-36 Volts AC or DC. Power is applied to G13 at both ends. 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. 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 D.C. The tube is made of 1/2 aluminum and 1/2 frosted plastic lens. Made with 2835 SMD led chip for the best illumination possible. PF>.90. CRI>80. The diameter is 26mm and the length is .90m or 3 foot. This bulb is comparable to a 145 Watt incandescent light bulb but only uses 15 watts. The rated life is up to 30,000 hours. The available color is Daylight White 4000K.