55 ringtones to choose from, easily customizable. To change the ringtones, simply press the plus or minus button to change, then press the volume button for 5 seconds when you hear \"ding\" and press the push button to match the melody.

5 levels of adjustable volume (from \"silent\" to level 4), choose the volume you need at the moment, such as low volume to avoid waking everyone up in the morning or disturbing the baby's sleep, high volume if you live on the second floor or for a large place. The distance between the receiver and the transmitter can be up to 300 meters.

With wireless connection technology (connected via radio) and IP55 waterproof level, you can choose the location of the transmitter and receiver wherever you need, such as the front door, workshop, apartment, old house, dormitory, mailbox, office, etc. It is also a very ideal replacement for the traditional bell that has broken and an alarm for patients, geriatrics and nurses.

This wireless doorbell is easy to install and use, all you need to do is plug the receiver into a wall outlet in your home and mount the transmitter outdoors with the included double-sided tape. Installs in 3 minutes! No wires to pull!