General description This wireless doorbell features 52 melodic ringtones from around the world, which can be easily changed with the push of a button. It offers four adjustable volume levels, including a silent mode, and is equipped with a blue LED indicator that lights up to meet your different needs. Technical specifications Melodies: 52 Volume Levels: 4 (including silent mode) Wireless Range: 200 meters (open area) Working Temperature: -35°C to 65°C Waterproof and Dustproof: IP44 rating Shipping Quantity: 2 pieces Installation The signal receiver comes with a plug for easy power connection. The transmitter (button) can be fixed anywhere using the included double-sided tape or screws. Usage This wireless doorbell is designed for both indoor and outdoor use, ensuring reliable performance in various weather conditions.