This PERSONAL ALARM WITH FLASHLIGHT is a great choice for night shift workers, real estate agents, or anyone that works in a high risk environment. This device features a compact design and is great for people with small hands. The PERSONAL ALARM AND FLASHLIGHT is small enough to be used by children. The wrist strap is attached to an activation pin that is inserted into the alarm. When this pin is removed, the alarm will emit a 130 decibel squeal. This device can also be used as a flashlight to light your way. Measures 3.5 inches x 2.5 inches x .5 inches.