Self-powered wireless video doorbell, XU, No battery required, 150 m range, European plug, 1 doorbell 2 receiver (black)

No batteries required: Our doorbell transmitter uses the principle of converting kinetic energy into electrical energy and does not require any batteries. High performance: Made of high quality ABS, this waterproof doorbell button is IP44 certified for dustproof and waterproof. Its operating temperature is between -15°C and +60°C. It is resistant to various weather conditions. Even in rainy weather, it is suitable for outdoor use. The range of the remote control is approximately 100 meters (in an open field) and 30 to 50 meters (in unenclosed indoors). (This data corresponds to the obstacle-free test distance in an open field; the actual distance varies depending on the usage environment.The more obstacles, the shorter the distance.)Easy Installation: Simply use the supplied adhesive tape to install the wireless doorbell button in the desired location, then plug it into a power outlet to complete the installation. Wide application: The self-powered wireless waterproof doorbell can be used in homes, warehouses, offices, garages, shops, apartments, hotels, villas, gardens, hospitals, schools and other places. This product is sold by xiaosong on behalf of third parties. This is a compatible product. Thank you for your understanding and support.