The new 3 IN 1 130db Personal Alarm With Light is the only alarm that can act as a flashlight, personal alarm, laptop computer alarm, and window or door alarm.
It has 2 attachments. The first is a standard smart hook that can be used on your belt loop or purse. The second is the window or door alarm attachment that can be used on a window, door, or as a laptop alarm. When the alarm is activated there is a strobe light to attract attention. The unit also has a button for the flashlight function.
It runs off of one 9 volt battery which is not included.