... 1 year MOQ:1 pc Torque:30N Control way:switch,remote control,telephone,web TAIYITO smart home Roller blinds ... the track fix on the roof, need the standard socket for power supply. From the roof to ground 20 ... -30cm need a socket A, inside the socket need 220V Naught wire, live wire, motor ... 1.3-1.5m keep a standard socket as a local switch. The socket from A, B connect with three wires ...