Two 120-decibel window and door alarms
Includes 3 x LR44 batteries
Easy to install and requires no wiring
Alarm sounds when window or door is opened

Technical Details

Product Details

Package Dimensions
Width : 3.7 inch
Height : 1.61 inch
Length : 5.98 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B074XMXTLH

Product Description

Installation:
1. Use double-sided tape to the host fixed the door / window,
2. Place another strip Magnetic linear fashion along with the host prompt line glued to the door frame.
3. Check the settings, put the host switch to 'ON' position.
4. Open the door to see whether to issue the alarm siren.