Portable anti-theft alarm, ideal for home, apartment, hotel and travel. (2 units)

Compact and lightweight: Measuring only 14 cm x 4.5 cm x 3.8 cm and weighing a mere 0.08/0.1 kg, its wedge shape allows it to easily slide under any hinged door.

Powerful security alarm: The alarm triggers instantly when the door is opened; its continuous 120 dB sound effectively deters thieves and intruders.

Easy to use: 1) Insert a 9V battery; 2) Select the sensitivity level: M (Medium), L (Low), H (High); 3) Activate the alarm; 4) Slide the alarm under the door.

Three sensitivity levels: The side switch allows you to adjust the sensitivity to three levels: M (Medium), L (Low), and H (High).

Ideal for bedrooms, apartments, hotels, student residences, and entrances, for guaranteed peace of mind.