Automatic garage door opener CK1200 is overhead, used for sectional garage door. CK1000(chain drive or belt drive)Power supply: 220V/110VMotor: DC motor, 24VForce:1000NTrack:3.3m, 3.6, 3.9m overall rail, in one piece, easy to install.Split track: 3.3m split rail, into three pieces, convenient to transport.Main Function:Soft-start&Slow-stop.CE quality, EMC, LVD.DC motor, low noise and long life. ...