433 MHz radio remote control, 12 V DC, 4 channels, radio relay, 2 transmitters + 1 receiver for garage door/entrance alarm

Long Range: The remote control's strong signals penetrate walls, floors, and doors, allowing for secure remote control of the receiver from anywhere. The maximum range is 30 meters. Enhanced Security: The learning code offers high security thanks to its low repetition frequency and relearning mode. This allows the old code to be deleted and a new one learned if the remote is lost. Up to 16 different codes can be stored. Operation: 4-channel remote control (433 MHz) with 2 transmitters. On/off switch and direction control. Self-locking switch. Unique Design: The wireless remote control is very easy to install and use. It offers stable and reliable performance as well as high receiver sensitivity (>-105 dBm). The remote control uses wireless coding technology, does not change its orientation, and does not interfere with other systems. Ideal Applications: Wireless remote controls are versatile and suitable for automation systems such as windows, entrance doors, garage doors, alarm systems, elevators, etc.