The Guard Dog Security door stop alarm provides on-the-go safety when traveling, at home or work in an attractive, precision made woodgrain design. No installation or cumbersome wires required required, this door stop alarm simply slides underneath any door and sounds a blistering 128 decibel alarm if opened by an unwelcomed intruder. The built-in sensors quickly activate upon use while being compact and lightweight, weighing less than 3 ounces and only 5 inches in length. Ideal for traveling when in unknown environments such as hotels, or even as an economical home or work alarm, this Guard Dog Security door alarm is not only practical, it's affordable, easy to use and can be carried anywhere with the peace of mind desired and deserved.