... shutter motorsRolling door opener, roller shutter motor, roll up shutter operator1.It's used for open and close the rolling shutter ... of supermarket door, storehouse, cinema, hotel, roll up garage shutter, factory and so ... 12V /27ARemote control:2pcs, HCS301 code hoping or rolling code, 4 channelsParametersMain specificationPower supplyAC220V/50HzOutput torque7N.MOpening ...