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

1. Battery-free. Our doorbell transmitter uses the principle of converting kinetic energy into electrical energy, making it energy-efficient and environmentally friendly, allowing us to enjoy a green and eco-friendly life brought by technology. 2. High performance: This waterproof mini doorbell button is made of high-quality ABS material, with an IP68 dustproof and waterproof rating. It can operate normally in a temperature range of -15°C to +60°C and can withstand various harsh weather conditions. Suitable for outdoor use, it can even work normally in the rain. 3. High quality: Our doorbell transmitter has undergone professional testing and has a lifespan of up to 500,000 button presses, far exceeding the industry average. 4. Remote control distance: Approximately 100 meters (open space). Indoor distance without obstructions: 30-50 meters (This data is the distance under experimental conditions in an open space without obstacles. The actual distance is affected by the operating environment; the more obstacles, 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 home or your neighbor's home. 6. This doorbell receiver features 38 ringtones and 4 adjustable volume levels, from 0 to 50 decibels. This wireless, waterproof, self-powered doorbell is suitable for homes, warehouses, offices, garages, shops, apartments, hotels, villas, gardens, hospitals, schools, and places where the elderly and children live.