The package includes 5 door chimes.
Specifications:
-------------------------------------------------------------------
Loudness: 90dB
Alarm Tone: Siren (not musical)
Power Supply: 3×1.5V LR44/AG13 batteries
Dimension: 63mm×31mm×21mm
Working Temperature: -10～+55°
Relative Humidity: ≤80%
Weight: 30g
Out-shell Material: ABS
Main featuers:
-------------------------------------------------------------------
● STAND ALONE/independent from the alarm system;
●When you are at home or in premise, you can disarm your system to avoid unnecessary alarm, but with a door chime, you may still be able to be informed if someone opens or closes the door/window;
●Alerts you whenever your children slip out of the house.
