Sensar Boat Monitor w/Bilge Sentry [BMBS700]

Boat Monitor with Bilge Sentry The Boat Monitor is the system's brain - where data from the boat is continually collected and sent to the app. The system runs on an internal battery with 40 days of power and charges itself every time a boat's batteries are being charged. In other words, it is completely maintenance-free and will monitor the boat for years without removing it to charge. Features: T