The light is handy and easily turns on with a press of a button. It has a great built in LED flashlight as an added precaution for those dark walkways or to help locate keys, etc. Light-weight personal security alarm can be attached to your keychain, schoolbag, belt loops, key, bag as decoration. It's also a necessory supply for night running, hiking, camping and walking the dog, timely call for help. It is very simple and easy to use this alarm, remove the pin from alarm to activate, pull pin back in to stop alarm and pull again to use it again. Ideal for people all ages such as Students, Elderly, Kids, Women, Runners, Night Workers, Single Person and so on. It's also a security necessity for traveling abroad, hiking, camping come across dangerous situation and need others help.