Features: 1.RF Identification Technology: The wireless remote control switch of the garage door controller kit adopts RF identification technology, wireless remote control switch, and stable performance. 2.Easy to Use: Our garage door controller is safe, reliable and easy to use, which can enhance your using experience. 3.Stable Control: The signal of the wireless RF switch can pass through the wall, floor and door to control the receiver stably anywhere within a reliable distance. 4.Anti Interference: The controller adopts non directional wireless coding technology, which can be controlled independently without interfering with each other. The maximum range is up to 20 to 100 meters without obstacles. 5.Wide Application: The garage door controller is easy to install. Suitable for controlling one or more devices in a room, it can be used for pump switches, motors, remote control sockets, unlimited lamps and other controls. Specification: Item Type: Garage Rolling Door Controller Material: ABS Battery Type: 12V 23A x 1 (one battery per remote control) (shipping with built in battery) Battery Capacity: 50mAh Matchable Remote Control Frequency: 433Mhz Scope of Application: Rolling doors, garage doors, retractable doors, electric curtains, etc. PackageList: 1 x Controller 2 x Remote Control 2 x Remote Control Buckle Note: Please disconnect the power when wiring, pay attention to safety.