– 433MHz DC 12V 4-Channel Remote Control, Long Range Radio Relay Switch, 2 Transmitters + 1 Receiver for Garage Door Opener

Long range: Powerful radio signals transmit through walls, floors, and doors, allowing you to control the receiver from a safe distance, anywhere. The maximum range is up to 30 meters. Security: The learning code offers high security thanks to a low repetition rate and relearning function. If you lose your remote control, you can erase the old code and program a new one. Up to 16 different remote control codes are supported. Operation: Centralized on/off with 4-channel 433 MHz radio and 2 transmitters. Controls steering/reversing, start/stop. The switch is self-locking. Unique design: The wireless remote control is easy to install and use, offers stable and reliable performance and high reception sensitivity (-105 dBm). The remote control switch uses wireless decoding technology, does not change direction and does not interfere with other remote controls. Versatile Applications: The wireless remote control is suitable for home automation and controls windows, entrances, garage doors, alarm systems, elevators, etc.