Sanjie Door Window Alarms - 5 Pack,125dB,Volume Control,Window Door Open Alarm Sensors for Kids Safety/Dementia/Pool,Wireless Sensors Keep Your Home Security,Easy to Install,Long Battery Life

Buyer Tips: Please make sure you install the device correctly, the arrows point toward each other and put them the same level..

Wireless Door Window Security Alarm Sensor. Portable and Easy to install, you can take it with on business trips or vacations to keep your family and your safety.Also it will be a good choice for preventing kids leaving house without notice.

125DB volume alarm will not only cause a huge shock to the thief, but also will wake you up from your sleep.

Easy installtion: just tear the back of the stickers, and then find the suitable location and paste it on directly.

Low Battery Indication Function-- The device will keep flashing light when the battery is low,easily to replace the batteries and keep home security.

Features:

1.Portable Wireless Door Window Alarm Sensor
2.Easily mounted by double-side adhesive. Tape it to window or door .
3.Super environmental suitability and stability
4.Dustproof and insect prevention
5.Powered by 3 pcs LR44 batteries

Specifications:

1.Sensor type:Magnetic Alarm
2.Alarm type: Sound Alert
3.Material: Plastic
4.Color: Black and Silver
5.Dimension:
Detector Part:2.9 x 1.5 x 0.4 inch
Magnet Part:1.5 x 0.4 inch
6.Volume of Sound: 120dB