1.DC-roll doors machine is assembled into one portfolio by the motor, reducer,efficientbatterypower and microelectronic controllers,and other components.it can remote controlwith remote controller. At contemporary,it is the most ideal new model drive and control doormachine.it has :physical small,light weight,low noise, vibration small ,easy installation andoperation,long life and reliable performance advantages.This product also has DC 24V efficientbattery ,power-cut will not affect normal work of the roll door machine.it is used in theexhibition hall ,cinemas,shopping malls,hotels,shops,factories,garages and other buildings.2.Reprovisioning of a dedicated remote control, and anti-super power, remote controloperation.