This T-H Marine Loc-R-Bar Locking Alarm System is a must-have for any boat owner who wants to keep their property safe and secure. With its reliable locking mechanism and easy-to-use alarm, you can rest assured that your boat is protected at all times. The system is designed for use with trailers and features a durable construction that can withstand the rigors of frequent use. It comes with a manufacturer part number of LBLRBS113S and is compatible with a range of different boat models. So whether you're out on the water or storing your boat for the winter, this alarm system is the perfect solution for keeping your property safe and secure.