433 MHz Wireless Remote Control, DC 12 V, 4 Channels, Remote RF Relay Switch, 2 Transmitters + 1 Receiver for Garage Door/Gate Alarm

Long Distance: Powerful signals from the channel remote control can be transmitted through walls, floors, and doors to control the receiver from any position at a safe distance. The maximum range is up to 30 meters and is accessible. Security Control: The learning code provides high security due to the low repetition rate and the relearning mode, which allows the old code to be erased and a new code to be learned if the remote control is lost. Up to 16 different remote codes can be supported. Operating Mode: On/Off control unit with 4CH 433 MHz radio and 2 transmitters. Steering/Reverse, On/Off control unit. The switch is self-locking and interlocking. Unique Design: The wireless remote control is very easy to install and use, with stable and reliable performance and high receiving sensitivity (>-105 dBm). 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 household remote controls to automation such as windows, entrances, garage doors, alarm systems, lifting devices, etc.