emergency exit sign 1.220-240v AC 50Hz 2.emergency duration:3hous 4.ni cad battery 5.steel box and pc legend 8w emergency exit signNon Maintained single side exit boxModel No.:KE308SMAC220-240V 50Hz/AC110V 60Hz8W fluorescent tubeOutput: 8WNickel Cadmium Battery 2.V 4.5AHMore than 3 hours emergency duration24 hours recharging timePolycarbonate for Legend signSteel sheet for boxWall or Ceiling ...