General description Our Wireless Doorbell offers a strong range of 400 meters in open areas, ensuring you'll always stay in touch with visitors, whether in the garden, outside, upstairs, or even in the basement. This doorbell features hassle-free installation, allowing you to set it up in less than a minute using the included screws or adhesive tape. Designed for all-weather performance, it is wear-resistant, dust- and water-resistant, and can operate in temperatures ranging from -30°C to 70°C. Technical specifications Range: 400 meters Operating temperature: -30°C to 70°C Volume levels: 5 Max volume: 110 dB Melodies: 55 Battery life: 1 to 10 minutes Power consumption: Extremely low Installation Simply attach the wireless doorbell transmitter to your wall using the included screws or adhesive tape for quick and easy setup. Usage Enjoy precise control with 5 volume levels up to 100%, perfect for the hearing impaired or elderly. Easily switch between "LED only" or "LED + Buzzer" modes