... are easy to be damaged,so common emergency tube cannot work. When power-off , these tubes can provide 2-5 hours ... win the time for saving. This led tube also can work as common led tube for general lighting when the city power ... Union10, Production Capacity: 30,000pcs/month11, MOQ: 10 pcs/ model12, Work Environment: Markets, shopping malls, railway stations, factories etc.13, no ...