Wireless GSM siren in blue suitable for wireless gsm home burglar alarms

Model:JS-WD01 wireless door sensor

Product Feature:
* Easily mounted by adhesive tape to a window or door
* Magnetic sensor switch detects entry protecting your home or office
* Easy to installation,no wiring, no expense
* Residential use: Protects exterior doors, sliding glass doors, gun and medicine cabinets.
* Commercial use: Protects showcases and cash registers
* Powered by three (3) 1.5V LR44 button cell batteries
* Voltage:4.5V
* Material:ABS
* Mounting type: Adhesive
* Alarm sound:90db
* Power by:3x 1.5V LR44 button cell batteries
* It is designed for Door, Window, Families, shops, businesses and other places

Package includes:
1x Door Window Entry Alarm
3x 1.5V LR44 batteries