C100 – Wireless Door Sensor Alarm,Ultra thin for sliding door

Prevent Unwanted Intruders：Window Security Alarm,built-in sensor detects vibration and instantly alerts you of a potential break-in and scare away burglars with 125dB loud alarm.

Adjustable Sensitivity Design：Unique Roller Vibration Sensitivity Ajustment, will not go off in rain,wind, etc.Help to prevent false alarms.

Ultra-thin (0.35inch) Design：Perfect for home, office, garage, RV, dorm room, warehouse, Jewelry Shop, safe.

Easy Installation：No wiring needed, simply peel and stick an alarm on anywhere you need.

Low Battery Warning：The window sensor alarm can be used for one year(stand by) without changing the battery frequently. When the battery ( 3 LR44 batteries included) voltage is too low, the alarm will DIDI alert. Remind that you need to replace the battery.Don't worry about not working.