Siren Marine’s MTC boat-monitoring system offers around-the-clock vessel security via iOS and Android apps. It provides easy-to-install wireless and wired sensors to monitor elements ranging from battery banks to high bilge water, shore-power outages, anchor watch, fridge temperature, and burglary and boat theft. It also lets you remotely control the boat lights, air conditioning and battery switches from a smartphone or computer.
Hardware packages start at $599, annual service plans at $99
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