ETi 8ft. to 4ft. Retrofit Conversion Kit for Fluorescent lights is designed to upgrade an 8 ft. fluorescent strip light into two tandem LED 4 ft. lamps or continuous 8 ft. This kit includes: (4) 4 ft. LED Power Either End Base G13 Bi-Pin Bypass Ballast tubes, (8) Shunted sockets, (3) Retrofit Brackets and Solid Copper wires. With these tubes, existing sockets in the fixture can continue to be used if they are in good condition. Each tubes emits crystal clear 1800 Lumens of brightness; total 7200 Lumens, using 12-Watts of power; total 48-Watts. Each 12-Watt tube replaces one 32-Watt T8 fluorescent. Light output is 5000K Daylight and is non dimmable. Ideal for kitchen, basement, retail shops, shop windows, retail offices, doctor offices, schools, restaurants, museums, galleries, meeting rooms and hotel/motel locations.