Fith Ops™ Perimeter Camp Safe™ (209 Primer Only) Trip Alarm
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12 gauge perimeter trip alarm - The "QUAD" Gen 3 W/209 adapter & 85ft of line | eBay
Perimeter Trip Alarm, 12 Gauge Trip Wire Perimeter Alarm, Early Warning Security System For Camping And Property Safety, Camping And Security (black) - Temu Netherlands