This MINI TRAVEL ALARM with PIR SENSOR is a low cost but highly effective motion alarm that can also be used as a deterrent. The alarm can be activated by pulling the cord on top of the unit and will emit a super loud 15 second blast of 100 decibels. This unit can also be used as a motion detecting alarm and can detect motion up to nine feet away. Just expose the infrared sensor and set the unit to auto and the alarm will be active in 60 seconds. This unit also contains an LED flashlight and is small enough that it can be concealed. Includes three AG13 batteries.