Description: Durable Material: The trip wire alarm is made of high quality metal, which is sturdy and durable, perfect for wooded areas and areas with a lot of leaves. Convenient: Travel alarm camping accessories are simple and convenient to install and use; this trip alarm is the most sensitive and versatile trip alarm, easy to set up, very effective in alerting you to danger. Use: Perimeter trip wire alarm will sound an alarm when someone or something enters your area, use it for protection on your property, campsite, farm, barn, gate or other areas. Easy to Use: Compact emergency camping belt trip wire alarm, small in size, easier to carry around. Wide Application: The tent alarm is perfect for home, outdoor, camping, hiking, backpacking, gate and more. Specification: Material: metal Size Chart: 7.6cmx2.5cm/2.99inchx0.98inch Package Includes: 1 Binding Wire 1 Wire Alarm Note: Please allow slightly errors due to manual measurement and different monitors.