Features:Super loud 90 dB alarm. Handy ON / OFF switch. Magnetic sensor switch detects entry. An ideal guardian against the unwanted intruder whether you are in or out. Easily mounted by adhesive tape, just peel and stick to window, door, cupboard or toolboxes etc. Portable enough to take with on business trips and vacations, keep your self and your property safe and security. Electronic magnetic sensor switch detects any entry protecting your home, office, apartments, hotel rooms, garages, and more whether you are in or out. Peel off the adhesive tape, attach the main sensor on the door / window and attach the magnetic stick adjacent the main sensor on the frame(the arrowhead side to the sensor). Test the setup by switching on the system and see whether the alarm can be triggered by opening the door / window.
Specification:Main frame size: 62x30x20mm or 2.44x1.18x0.79oz Magnetic box size: 55x11x11mm or 2.16x0.43x0.43oz Power supply: 3 x 1.5V LR44 button cells (included) Button: off, alarm Alarm decibel: 90 dB
Package Includes:5 x Magnetic Sensor 5 x Magnetic Stick 15 x LR44 Button Battery P000812