There is absolutely no problem with the inertia systems. I have the RVI 2 Brake system. It transmits/receives WiFi to a unit in the RV. I can change sensitivity at will. This is the same folks that created the Blue Ox brake system. They left and created the RVI System. It is 1/3 the size. BTW - good choice for towing. There is now an RVI 3 System.
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