This wireless remote control transmitter module is perfect for garage doors and lights. With a frequency of 433MHz, it can be used for controlling your devices from a distance. The receiver is 12V battery-powered and has a 1CH relay switch, making it easy to use. The Germa brand ensures quality and reliability. The receiver is compatible with Garage Doors etc, making it a universal solution. If Used the 12v lead-acid battery technology ensures long-lasting power, and the wireless Smart Home Protocol makes it easy to set up. The GERMA model is a great addition to any DIY project and is perfect for those who want to control their devices remotely. The features of the module include being universal and ideal for remote doors and lights almost anything electrical can be controlled by this device.