Timbre inalámbrico - No requiere pilas - Alcance efectivo de 100 metros, 38 números - Resistente al agua - Negro - 2V1

1. Battery Consumption: Our doorbell transmitter uses the principle of converting kinetic energy into electrical energy, making it environmentally friendly and energy-saving, allowing us to enjoy a green and eco-friendly life brought by technology. 2. Waterproof Mini Doorbell Button: Made of high-quality ABS material, the waterproof rating reaches IP68, and it can operate in a temperature range of -15°C to +60°C and withstand various conditions; it is suitable for outdoor use even in rainy weather. 3. High Quality: Our doorbell transmitter has undergone professional testing, with a continuous press rate approaching 500,000 times, far below the industry average. 4. Remote Control Distance: Approximately 100 meters (open field). Indoor distance without obstructions: 30-50 meters (this data represents the experimental open field distance without close proximity; the actual distance is affected by the operating environment, and the more objects in the distance, the shorter the distance). 5. Easy Installation: Simply use the included 3M tape to stick the white wireless doorbell button to any location you like, and then plug the wireless doorbell into a power outlet to complete the installation. It will not interfere with other devices in your or your neighbors' homes. 6. The doorbell receiver features 38 ringtones and 4 adjustable volume levels, ranging from 0 dB to 50 dB. This wireless, waterproof, self-powered doorbell is suitable for homes, warehouses, offices, garages, shops, apartments, hotels, villas, gardens, hospitals, schools, kindergartens, and children's homes.