Long distance: Powerful signals from the channel remote control can be passed through walls, floors and doors to control the receiver from any position within a safe distance. The maximum range is up to 98 feet / 30 meters and is accessible. Security control: The learning code offers high security due to the low repetition rate and the relearn mode, allowing the old code to be canceled and the new code to be relearned when the remote is lost. he can support up to 16 different remote encodings. Mode of operation: On/off control unit with 4CH 433MHz radio and 2 transmitters. Direction/reverse, start/stop control device. The switch is self-locking and interlocked. Unique Design: The wireless remote control is very easy to install and operate, stable and reliable performance, high receiving sensitivity ( -105dBm). The remote control switch uses wireless coding technology. thread, does not change direction and does not interfere with each other. Excellent Application: Wireless remote control applications range from simple household remote controls to automation such as windows, entrances, garage doors, alarm systems, elevating devices, etc.