General description This waterproof wireless doorbell kit includes a transparent shell housing and is designed for easy installation. It is ready to use upon delivery, requiring no wiring or electrician assistance. Simply plug the receiver into a socket, and it will be operational in just one minute. Technical specifications Detection range: up to 600 feet in an open environment Working temperature: -4°F to 140°F IP45 dustproof and waterproof protection Volume levels: 4 adjustable levels from 0dB to 100dB 38 different ringtones available Installation No wiring or electrician installation required Receiver plugs directly into a socket Installation time: approximately 1 minute Usage Equipped with a temperature and humidity sensor for real-time indoor environment monitoring Time reminder function to help you keep track of important moments Other information Made of high-quality ABS material with flame retardant and fireproof properties Transmitter features high-end self-generation