General description This wireless doorbell is designed for outdoor use, featuring a waterproof and battery-free design. It includes a temperature and humidity display, ensuring you stay informed about your indoor environment. With 38 melodies and 4 adjustable volume levels, this doorbell combines functionality with style, making it a perfect addition to any home. Technical specifications Operating temperature: -4°F to 140°F Detection distance: up to 600 feet in an obstacle-free environment Volume levels: 0 dB to 120 dB Protection rating: IP45 (dustproof and waterproof) Installation Plug the receiver into a socket for immediate use. Stick the button to a suitable location; no wiring or electrician installation is required. Usage Press the button to ring the doorbell without knocking or shouting. Monitor indoor temperature and humidity in real-time. Choose from 38 melodies to customize your doorbell sound. Other information