... easy to be damaged,so common emergency tube cannot work. When power-off , these tubes can ... for saving. This led tube also can work as common led tube for general lighting when the ... Dual function,--common LED lighting and Emergency LED tube 2, Newest Lockable rotating end caps3, PC ... : 30,000pcs/month11, MOQ: 10 pcs/ model12, Work Environment: Markets, shopping malls, railway stations, factories etc ...