The Keystone KT-LED14T8-48GC-840-S 48" LED T8 Lamp features their SmartDrive LED technology, which enables you to remove inefficient fluorescent tubes and replace them with LED. This lamp is compatible with most Instant Start and Programmed Start Electronic Ballasts. So you can just simply install the LED tubes in your fixture, requires no rewiring. It delivers 1,800 lumens of cool white 4000K light while only consuming 14 watts. Order Keystone KT-LED14T8-48GC-840-S today or contact one of our customer service specialists for more information.