Features： 1、Keep Safe: The trip alarm device protects the home, camps, and property set up around a surrounding area. It can be quickly deployed in paths and access areas, connected to doors, gates and more. Please stay away from flammable materials. 2、Simple Effective: The camping trip alarm signaling device uses low lying hidden trigger wire connected to the device itself to sound a loud alarm when the trigger pin is pulled. 3、Reusable: Trip wire alarm is made of aluminum alloy, compact and lightweight, sensitive, will not rust, can be used over and over again. 4、Muti Use: Deploy to keep coyotes from livestock, keep thieves out of your home and dangerous animals out of your camp site. Whether you are looking to have an alert for intruders or scare off animals. Our perimeter trip alarm is for you. 5、Perimeter Trip Alarm: for camping, hiking, military games, even home protection, outdoorsy, survivalist, or camper. Every camping trip lover or anyone who needs to protect their property effectively shouldn't miss this perimeter tripwire alarm device. Specification： Item Type: Trip Wire Alarm Material: Aluminum Alloy Weight: Approx. 187g / 6.6oz Product Size: Approx. 10.5x3cm / 4.1x1.2in Package List： 1 x Trip Wire Alarm 1 x Pull Ring 1 x Keychain 1 x Accessories 1 x Coils 1 x Coil Box