Product material: plasticSize: 66*37*22mmStyle: style 1( silver + gray); style 2(silver + rose gold); style 3(blue + black)Quantity: 2 piecesPackage content: 2* self-defense alarm1.Audible alarm:The emergency alarm can emit a loud sound to attract attention, which can protect you from emergency situations.2.LED FLASHLIGHT: The light is handy and very easily turns on with a press of the button to activate. Even in the dark, the pocket alarm system is a useful companion. The powerful LED light is very bright and helps to find the door lock or bag. It is also very useful for illuminating dark paths.3.Wide range of applications:Suitable for people at all ages such as students, elderly, children, women, night workers and so on; You can also use them for traveling, hiking, camping and dog walking at night.4.Compact and convenient: The safety alarm keychain has a portable size for easy storage and carrying; It can be attached to women's bags, backpacks, school bags, belt loops, suitcases, keys, dog belts and so on; And you can take it even you are on the plane.5.Durable and high quality: Portable Personal Alarm uses superior environmental and durable plasticn, resistance to fall, crush and voltage, and high temperature, and not rusty, beautiful and durable.