Protect your safety: This camping perimeter alarm is a trap warning device activated by travel wires, which alerts you of any peripheral vulnerabilities through the travel wire alarm system.You can install travel alarm devices around campsites, farms, barns, or restricted areas to prevent unnecessary intrusion.Trip alarm safety device: This travel alarm uses a low position and hidden travel wire to bind it to the device itself, which will generate a loud auditory alarm when the activation pin is pulled.Easily connect to , pillars, or frames through screw holes or zipper binding notches.Deploy to keep the hyenas from livestock; Keep thieves from your home and dangerous animals from the campsite.High quality&reusable: This peripheral Trip wire alarm device is made of 6061 aluminum recycled aluminum and a rust proof body.Travel alerts are spring triggered, reloadable, and can be reused endlessly for your property and personal safety.Compatibility: This universal, reusable itinerary activates 12GA blank or optional pepper gas and Flash Bang circles.Fort: The 12th blank travel alert is only for outdoor use, stay from materials and use with caution.Our device has no intention of damaging anything, it is just to make a loud sound to remind you.user assumes all risks and responsibilities associated with using this product.Colour:As Shown Material:Metal Package Contents: 1 x peripheral travel alert 1 x 0.22 adapter 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.