Enhance the perimeter security of your property with this trip alarm, protecting homes, campsites, and property by setting up a perimeter around the area. It can be quickly deployed across trails and entry zones, attached to doors, gates, and more. Use it to keep coyotes away from livestock, deter thieves from your home, and keep dangerous animals out of your campsite. Easy to install and quick to react, the perimeter alarm unit uses a low-placed and concealed tripwire, tied to the unit itself, creating a loud audible signal when the activator pin is pulled. The alarm can be quickly deployed across paths and entry zones, attached to doors, gates, and more using the screw eye bolt. You can install the tripwire alarm unit around campsites, farms, barns, or restricted areas for protection against unwanted intrusions. Compatible with 209 primer caps (NOTE: these accessories are not included, but you can get them at any store, and tripwire is used to set up your perimeter but is not included). It's easy to install and infinitely reusable. Solid construction made from matching recycled aluminum and a stainless steel body, the perimeter alarms are spring-triggered, reloadable, and infinitely reusable for your property and personal safety. Reliable for thousands of uses. Every camping enthusiast or anyone who needs to protect their property effectively shouldn't miss this perimeter tripwire alarm unit. Your safety is our first priority. The perimeter tripwire alarm system is for outdoor use only, keep away from flammable materials, and use it with caution. Our devices are not intended to cause harm, only to create a loud noise to alert you when needed. Color: As Shown 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.