[Take precautions] - The perimeter trip alarm device helps protect your home, campsite, and property by creating a security barrier around the area to alert you of potential intrusions. It can be quickly deployed along walkways and entrance areas, and can be connected to gates, doors, and other structures. Ideal for camping, hiking, outdoor activities, and home security, it is a reliable tool for outdoor enthusiasts, campers, and those seeking added property protection.[Working Principle] - This trip alarm uses a low-profile tripwire attached directly to the device. When the activation pin is pulled, the unit releases a loud audible alarm. The durable, reusable wire activates the device effectively. Simple to set up, it provides an efficient way to detect and alert you of unwanted intruders.[Easy to use] - The trip alarm can be easily mounted on posts, columns, or frames using screw holes or attachment slots. It can be installed around campsites, farms, barns, or restricted areas to deter unauthorized access. Once deployed, it helps protect livestock from predators, prevents trespassers from entering homes, and alerts campers to nearby animal activity.[Reusable Trip Alarm] - Constructed from rust-resistant aluminum alloy, this perimeter alarm is spring-activated, reloadable, and built for repeated use. Designed for long-term reliability, it can be used thousands of times and offers advanced security for personal property. A practical choice for campers and anyone needing reliable outdoor protection.[Kind reminder] - This three-line perimeter alarm system is intended for outdoor use only. Keep away from flammable materials and handle with care. The device is not designed to cause harm; it is intended solely to produce a loud noise to alert you when triggered.Color: Army Green Material: Aluminum alloy Package Contents: 1 x Trip alarm Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.