Hopkins 39303 BrakeBuddy Digital Classic Break-Away System Required by most state and provincial towing laws Activates your BrakeBuddy in the event that your towed vehicle becomes detached Meets or exceeds breakaway regulatory requirements in the United States and Canada Installs easily in an hour or less or, if you prefer, have it installed by your local mechanic or RV dealer The classic break-away system is included with the purchase of a BrakeBuddy digital classic braking system