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. This bulb is Non Cancelable, Non Returnable, Non Cancelable because the tube can be installed in a fixture with a ballast that will cause this tube to fail. Each tube is tested before being shipped.