Wireless Battery-Free Waterproof Long-Distance Ding Dong Doorbell with Self-Powered 433 MHz Technology

This innovative doorbell combines cutting-edge technology and convenience, featuring a wireless design that eliminates the need for batteries. Its self-powered system operates at 433 MHz, ensuring a reliable signal over long distances. Built to withstand the elements, this waterproof doorbell is perfect for outdoor installation, providing consistent performance in any weather. Simple to set up and use, it offers a seamless addition to any home, enhancing communication between visitors and residents without the hassle of frequent maintenance. Power Supply Mode: Self-generated Voltage: 110-220 Ring: 38 songs Power Consumption: 0.25 Scope of Application: Home, company, hotel Manufacture country: China Instructions included: No