Lunera GX23 2-Pin Horizontal CFL LED Dimmable Light Bulb, 5W, 580 Lumen, 3000K CCT, Ballast or Line Driven, 4th Generation, Plug-and-Play 4-Pin Compact Fluorescent Lamp Replacement PLUG-AND-PLAY INSTALL: Horizontally-mounted LED lamp replaces CFL lamps in just minutes with this low power equivalent - No fixture re-wiring required. A great facility department DIY project LINE DRIVEN TOO: This lamp can also be installed by an electrician directly to 120V~277V line voltage for the ultimate in low power. Bypass the ballast and start saving even more SAVES UP TO 62% INSTANTLY: Replaces 13W CFLs with a 5W LED with huge instant energy savings Commercial applications: used in wall sconces and step lights in commercial offices, board rooms, medical facilities, retail stores, hotels, lobbies, classrooms and other interior commercial spaces QUALITY FROM A TRUSTED BRAND LEADER: We invented plug-and-play and deliver industry-leading ballast compatibility, uncompromised commercial quality with a 50,000 hour life