This camping trip alarm can be installed at campsites, farms, entrance areas, gates, restricted areas and more. It enhances perimeter security for your property and yourself. Keep dangerous animals away from your campsite. (Note: Our device does not hurt anything, it is just designed to make a loud sound to remind you to be safe) Simple: This trip alarm safety device uses a low and hidden trip wire that is tied to the device itself, resulting in a loud audible alarm that sounds when the activation pin is pulled. Perimeter alarms are spring-activated, reloadable, and can be reused indefinitely to ensure the safety of your property and individuals. WIDELY COMPATIBLE: The 12 gauge camping trip siren is designed for perimeter defense, you can use it with 12ga blanks or 12ga flares. You can use 209 primer and 209 adapter, 22 primer and 22 adapter, blank primer and adapter (note: these accessories are not included, but you can buy them in any store). HIGHER QUALITY: This perimeter alarm is constructed from matching 6061 recycled aluminum and a rust-resistant body. Camping trip enthusiasts or anyone who needs to effectively protect their property should not miss this perimeter tripwire alarm device. Warning: Do not use when powered. Please stay away from the material and use it with care. Colour: Black Material: Aluminum Type: A Package Contents: 1 x Camping Trip Siren Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm.