Camping Safety Proactive Defense - The trip wire alarm device protects homes, campsites, and property by setting up a perimeter around the area. It can be deployed quickly across paths and entry zones, attached to doors, gates, and more. Works great for Camping, Hiking, , games, and even home protection, the perfect device for the outdoor enthusiast, survivalist, or . How the Perimeter Alarm Device Works - The 12 gauge camping trip alarm signaling device uses a low-placed and concealed trip wire, tethered to the device itself which creates a loud audible alert when the activator pin is pulled. Simple and Easy to Assemble - The 12 gauge blanks trip alarm can be easily attached to trees, posts, or frames via the screw holes or zip tie notches. You can install the trip alarm device around campsites, farms, barns, or restricted areas for protection against unwanted intrusions. Deploy to keep coyotes from livestock; Reusable Security Trip Alarm - Made completely of rustproof high-quality 6061 aluminum the perimeter alarms are spring triggered, reloadable, and endlessly reusable for your property and personal security. Warning - The perimeter trip alarm system is for outdoor use only, keep from materials, and use it with caution. Our devices are not meant to harm anything, just to create a loud noise to alert you when you need it. Colour:black Material:aluminum alloy Package Contents: 1 x Trip Wire Alarm Device Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.