Easy to use personal doorstop alarm blocks entry and sounds ear piercing 120 db alarm when anyone attempts to open the protected door.

• Installs quickly - simply place behind any door you want to secure
• Blocks intruders trying to open the door with sturdy wedge-shaped design
• Sounds an ear piercing 120db alarm that cares off intruders and alerts you to the attempted entry
• Adjust the sensitivity with a simple switch (also prevents tampering or anyone attempting to  move the alarm unit you have put in place), on/off switch avoids accidental activation of alarm
• Lightweight and suitable for taking along while traveling

Specs: Requires one 9 volt battery that is not included. Measurements are 5 1/2" x 2" x 1 1/2".