General description This Outdoor Waterproof Wireless Doorbell features a unique self-generated electricity design, eliminating the need for batteries. By pressing the push button, kinetic energy is converted into an electrical signal, ensuring you never have to worry about battery drain. With an IP64 waterproof rating, this doorbell is built to withstand harsh weather conditions, making it perfect for outdoor use. The LED time display screen adds functionality, allowing it to serve as a clock when not in use. Technical specifications Waterproof rating: IP64 Operating temperature: -20°C to +65°C Wireless range: Up to 150 meters (492 feet) in open space Volume levels: 4 adjustable levels (0-110dB) Melodies: 38 different chimes Installation The transmitter can be easily mounted on the front door wall using the included double-sided tape. The receivers plug directly into a power outlet indoors. Usage Choose from 38 different melodies for your doorbell chime. Adjust the volume to your