Single Ended Power (SEP), Ballast Bypass, Commercial Grade – UL Listed 2 FOR 1 – Convert to LED for instant energy savings (up to 85%). 1 Sunco LED tube does the job of 2 fluorescent tubes. Our T8 LED tubes provide instant bright light with no flickering. Certifications: UL, DLC, FCC, RoHS. Specifications: Clear Cover, Length 4ft (48′′), 15W, Lumens 1800, 120-277V, 160° Beam Angle, Instant Start, Long Lifetime, Sustainable. EASY BYPASS INSTALL – Install with bypass the ballast in 5 minutes or less. Locate the ballast, cut the hot and neutral wires, then cut the socket lead wires. Connect the input wires to the output wires to bypass the ballast. Requires non-shunted tombstones, not included.