Long Distance: Strong signals from the channel remote control can be passed through walls, floors and doors to control the receiver from any position at a safe distance. The maximum range is up to 98 feet / 30 meters and is accessible. Security Control: The learning code provides high security due to the low repetition rate and relearn mode, which can cancel the old code and relearn the new code when the remote control is lost. It can support up to 16 different remote encodings. Working Mode: On/Off control unit with 4CH 433MHz radio and 2 transmitters. Direction/reverse, on/off control device. The switch is self-locking and interlocked. Unique Design: The wireless remote control is very easy to install and use, stable and reliable performance, high receiving sensitivity (> -105dBm). The remote control switch uses wireless coding technology, does not change direction and does not interfere with each other. Excellent Application: Wireless remote control applications range from simple