... 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 ... : Gate Motor+Electronic Control+2 Transmitter+Mounting Accessory+Track(3.3m or 3.6m)Sensor, standalone receiver, extra transmitter is available ...