The window and door Alarm is easily mounted by adhesive tape to window or door. Magnetic sensor switch detecs entry for protecting your home or office whenever you are in or not. Warning door/window sticker is supplied free in package opereated by 3 pcs 1.5V LR44 button cell (batlery included in package)

Model: KY200 series

Productivity: 5000, 000 pcs/year

Standard: CE ROSE

Loundness: >=90dB