Allow you to operate with several ways,electronic control, remote control,and manual control. Specifications JG-600B Fireproof rolling door motor : 1). Adopt the control of micro-capacity. Work stable. Response sensitive. 2). With 3-segment capacity charge and discharge maintain circuit. Long useful life. 3). 315MHZ receiver cyclostyle, strong anti-jamming, long remote control distance. 4). AC motor with low voltage and big power. It have high efficiency, strong power, low noise, long lifee. Nice look, convenience for installation.Adopt currency power in regular state. 5).Uninterrupted Power Supply(UPS)function:When the power cut down, it can automaticly changeto UPS. Main Technical Parameter: Model Elevating weightElevating speedRated powerRated currentElevating height1 Phase 380V 50HZJG-600B600KG2.9cm/s550W1.42A10m