The trip alarm can be easily attached to trees, posts, or frames using screw holes or zip tie notches. Install the trip alarm around campsites, farms, barns, or restricted areas to help deter unwanted intrusions. Use to help keep coyotes away from livestock, prevent unauthorized access to your property, and enhance campsite security. Constructed of rustproof, high-quality aluminum, the perimeter alarm is spring-triggered, reloadable, and reusable for long-term property and personal security. Designed for reliable performance over thousands of uses, it is a durable trip alarm solution to help enhance area protection. Ideal for camping enthusiasts and those seeking an additional layer of security for their property. Set up a perimeter with blank cartridges around your camp or home to receive alerts when animals or individuals approach the area. Mount the device vertically using screws or straps and configure the tripwire with the firing plate. This trip alarm is suitable for camping, home security, garden protection, and various outdoor applications. Helps protect property from intruders and unwanted wildlife. Adapter: Includes .22 adapter Product Dimensions: 3.62 inches D x 1.14 inches W x 1.14 inches H Alarm: 1 unit Color: As shown Material: Aluminum Package Contents: 1 set x trip alarm Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.