Automatic garage door opener CK1200 is overhead, used for ... , 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 ... standard unit includes: Gate Motor+Electronic Control+2 Transmitter+Mounting Accessory+Track(3.3m or 3.6m)Sensor, standalone ...