General description This CSPARKV Wireless Doorbell is designed for outdoor use with an IP68 waterproof rating, ensuring durability against dust, rain, and high temperatures. It features a powerful 40 mm speaker that delivers loud sound with 5 adjustable volume levels and 58 ringtones to choose from. The doorbell operates within a range of 300 meters in open space, providing a strong signal that penetrates obstacles effectively. Technical specifications Waterproof rating: IP68 Speaker diameter: 40 mm Volume levels: 5 (from 0 dB to 110 dB) Ringtones: 58 options Operating range: 300 meters Transmitter battery life: up to 3 years Durability: withstands over 100,000 clicks Installation The receiver plugs directly into an electrical outlet, requiring no assembly or batteries. The transmitter can be mounted using the included screws or attached with the provided sticker. Usage Ideal for outdoor installation, providing reliable performance in various weather conditions. Features a mute button