3 foot 15 Watt DLC tube light. Operates with or without ballast. Single pin end caps. 180 degree viewing angle. UL listed. Operates from 100 to 277 VAC. Power on both ends since it is a Single Pin. Long life up to 30,000 hours. The Single Pin male end caps fit into existing fixture. You can either bypass or disconnect the ballast in the fixture. Up to 1800 Lumen output. Since the end caps are single pin, the are rotatable you adjust the tube light for maxim illumination. Since the tubes are LED the tube takes no time to warm up like a old florescent tube. By removing the ballast you also save around 10 watts of constant power drain and some extra heat with the fixture being on. The 15 watt LED tube is comparable to a 25 to 35 watt fluorescent tube. Since the led tubes operate cool you save on power savings with less AC required to cool the room. The tube is made of plastic and metal materials. The PFC>0.90 and CRI>80. The colors available are white 5000K, Daylight white 4500K and Warm white 3000k. The diameter is 1.00 inch or 26mm. The length for the 3 foot tube is 36 inches or .9m. The tube is made with LED type: 2835 SMD leds, 96pcs chips. The tube is constructed with 1/2 Aluminum + 1/2 Frosted PC cover. The lens is frosted.