![](https://selffix.com/wp-content/uploads/2020/01/Soundteoh-DD-623-Door-Chime-1.jpg)
Soundteoh DD-623 Door Chime Features: Wireless design, easy to install, with its exclusively selected melody and strong sensitivity. Others: It can effectively detect human movement within its indoor detecting environment, energy saving
- Distance coverage: up to 6M
- Battery: 3 x AA (Not included)