433MHz Wireless 4-Channel Remote Control DC 12V Long Distance RF Relay Switch 2 Transmitters + 1 Receiver for Garage Door/Gate Alarm

Long Range: Powerful signals from the multi-channel remote control can pass 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. Security Control: The learning code provides high security due to the low repetition rate and relearning mode, allowing the old code to be overwritten and the new code to be learned if the remote is lost. It can support up to 16 different remote encodings. Operation: On/off control unit with 4-channel 433 MHz radio and 2 transmitters. Control device for forward/reverse and on/off functions. The switch is self-locking and interlocked. Unique Design: The wireless remote control is very easy to install and use, with stable and reliable performance and high receiving sensitivity (> -105dBm). The remote control switch uses wireless coding technology, does not change direction, and does not interfere with other devices. Excellent Application: Wireless remote control applications range from simple home remote controls to automation systems such as windows, entrances, garage doors, alarm systems, lifting devices, etc.