Wirelessly Doorbell Chime me Ding-Dong Alarm WiFi Smart Door Bell Receiver 52-meles 4 Volume - Product Features
- Four levels of adjustable from 20db to 80db.
- Can be used with a wirelessly video doorbell. After pag the doorbell with the video doorbell, when the outdoor doorbell rings, the indoor's make sounds.
- There are 52 different chimes to cose from.
- Wireless design for easy installation and convenient use.
- Suitable for me, office, villa, tels, sps, etc.