144pieces-in-line Pull String Perimeter Alarms Dominator Boo-Traps Bigger Bang MPNPS144



The pop they create isn’t extraordinary loud, but that’s not what these are for. These are designed to be like tripwire that sound an alarm when someone breaches a perimeter. For that, these work perfectly.

These are a great idea for camping in the wilderness for setting up a perimeter with a non lethal deterrent/repellent for predators.