Received this after purchasing the tailgate. It detects a wire disconnect and alerts you inside your RV that a theft is in progress. One of the reviews I read said it wasn't loud enough. It's loud enough for indoors, you probably won't hear it from outside unless you're standing next to your van, but when you're outside nobody's going to try to figure it out? I've also paired this with Brinks cable and paddle locks for added security.
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