Specially in 1200N soft start&stop,install and debug simply chain drive electronic limit CE,ROHS 800N automatic remote control door operator,door operator,automatic door operator Technical parameters: voltAC220-240V,50HZpower170Wforce1200Nremote distance25-35mremote frequency433.92MHZapply door areabelow 12m²apply temperature-30 - 65°crail lengthbelow 3.9mStarting and stopping speed140mm/ ...