Ever find yourself squatting in some dirt-cheap room battling a severe bout of insomnia brought on by constant fear?

This portable device is just what you need to ensure some peace of mind while you snooze.

Joining the security-providing ranks of TSA approved padlocks and Bag Protector Alert is the nifty Reliance Controls THP215 Portable Wedge Alarm.

The alarm wedges nicely beneath any door or window and lets out a screeching 120 decibel sound that will surely deter unwanted guests.

Designed to easily grip carpets, it also comes with optional double-sided tape for fastening to frames, tiles, and other hard surfaces.

At just 4.8 ounces, it is super light in weight, comes with a 12V battery and a 1-year warranty.

Price: $13.15 | BUY