Magnetic contact with buzzer

>> Extremely loud (90dB), an ideal guardian against the unwanted intruder whether you are in or out, work as a baby guard.
>> Portable enough to take with on business trips and vacations, keep yourself and your property safe and security.
>> Other great uses are for your cupboard, shed, garage, toolboxes, etc. To prevent potential wandering sneakers
>> The intelligent furnishing with handsome, decent appearance, also be economical and practical.
>> Easily mounted to windows or doors with included double sides adhesive tape, no tools required
>> Magnetic sensor switch detects entry
>> Super loud 90 dB alarm
>> Handy ON/OFF switch: In the state of "ON", the sensor will emit the alarm signal as long as someone opens your door or window further than 1-1.5 cm
>> Double side built in adhesive tape on both the stick and the main sensor enable installation without any cord or tools
>> Powered by 3 pcs 1.5V LR44 button cell

Operation Instruction:
Peel off the double sides adhesive tape, attach the main sensor on the door/window and attach the stick adjacent the main sensor on the door/window frame
Test the setup by switching on the system of the main unit and see whether the alarm can be triggered by opening the door/windows

Standard package includes:
Magnetic sensor X 1
Warning door/window stick X 1
LR44 button battery X 1.