








Super Loud
Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner
Super suitability and stability.
Installation Steps
Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box)
1. Clean door/window surfaces to ensures mooth, dry adhesion areas.
2. Align main unit with magnetic sensor per manual instructions.
3. Confirm =0.4" (10mm) gap when closed: Power on to test system - lf alarm continues, adjust positioning.
4,Door/window frame must have a minimum width of 1.2 inches (3 cm) for proper installation






Installation Steps

Super Loud
Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner
Super suitability and stability.

Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (battery do not contain in the box)
1. Clean door/window surfaces to ensures mooth, dry adhesion areas.
2. Align main unit with magnetic sensor per manual instructions.
3. Confirm =0.4" (10mm) gap when closed: Power on to test system - lf alarm continues, adjust positioning.
4,Door/window frame must have a minimum width of 1.2 inches (3 cm) for proper installation

Tear the double-sided adhesive on the backpack, paste the door knob alarm on your target position.

Protect Your Property
Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more.

Keeping Children Safe
Keeping children safe, preventing them from running out of the room and avoiding the threat of animals to children.
























