Bonlux G24 LED PL Retrofit Lamp Universal G24d 2-pin G24q 4-pin Base 21mm LED Plc Lamp 26w Equivalent, Warm White LED PL Horizontal Recessed G24q Bulb (Remove/bypass the Ballast) For use in horizontal fixtures; Instant on to full brightness / no flickering; No Ballast Required (Remove/bypass the ballast); 51-LED 2835 SMD, 13W Consumption, 26W Equal, Warm White 2800K; Universal G24 2-pin base (base depth: 21mm/ 0.83inches) which can work in a 2-pin and 4-pin fitting; For Use in Recessed/Surface-mounted Downlights, Recessed Cans, Table/Desk Lamps, Portables, Pendant Lamps, Ceiling Fixtures, Wall Washers, Wall Sconces, Family Rooms, Living Rooms, Kitchens, Dining Rooms, and Porches.