Enhance your property security with our Trip Wire Alarm! Early Warning System: Improve perimeter security for private properties, campsites, farms, barns, or restricted areas and warn of perimeter intrusion. These alarm safety devices are simple, reliable, and easy to install, providing an effective solution to alert you to intruders. How it Works: Multiple trip wires are used on a single device to provide a 360-degree coverage trigger alarm. When the alarm is activated, it emits a loud audible alarm. The device can be easily attached to a tree, post, or frame through screw holes or zip ties. Practical and Reusable: The wire perimeter alarm can be reused indefinitely and can be deployed on any route, entrance area, connected to doors, gates, etc. Applicable Scenario: Trip line alarms are ideal for wooded areas such as buildings, farms, courtyards, and outdoor building settings. Effective Warning: Perimeter alarm devices protect homes, camps, and property by placing a perimeter around their area and setting up a perimeter in empty space to notify them when someone or something breaches their area. Specification: Item Type: Trip Wire Alarm Voltage: 4.5V Product Size: Approx. 3.2 x 2.5 x 9.7cm / 1.3 x 1 x 3.8in Product Material: Aluminum Alloy Weight: 164g / 5.8oz (Approx.) Color: Black Package List: 1 x Trip Wire Alarm 1 x Accessory