4PCS 45.75" 4ft T5 LED Light Tube,54W Equivalent,5500K Bright White,Dual-End Powered, Frosted 110/120v Directly(4-Pack Bright White) Made with T5 narrow pins,this T5 led tube light is able to replace your current T5 bulbs without any problems.Works directly from 100v to 260V voltage,the led tube is very bright and they use about half the wattage of the floursecent bulbs Very well packed,we put each tube in a thick cardboard and then pack them together in a box.Unlike other seller's poor packing,you are buying with confidence from us. These tubes are designed to work without ballasts,turn off the circuit breaker,remove the ballast,then cut the wires from the fixture to the ballast, Next hook the wires from the fixture to the wires leading to the switch. Attach the connectors from one end of the fixture to the "hot" lead and the other to the "neutral" lead. It doesn't matter which ones as long as all the ones from one end are going to the same lead. You then put the fixture back together and put the bulbs in. Please be noted this T5 led bulb is 45.75" long from tip to tip Packing including 4pcs 45.75" T5 led tube light bulb,5500K daylight white