Siren 3 Pro Vessel Management Device Features: Providing the ultimate smart boating experience that keeps you connected to your boat 24/7, regardless of boat size, type or use. The Siren 3 Pro provides the modern boating experience by going beyond basic marine GPS, radar & radio solutions to complement your multi-function display MFD with Connected Boat® Technology. Together with our easy-to-use App plus global cellular & optional satellite connectivity, our smart boat device connects you to your boat anytime, anywhere. Make your life easier by controlling your boatFTs lights, A/C & digital switching systems remotely from the palm of your hand. The Siren 3 Pro provides a better boating experience with remote monitoring, helping your boat stay safe, secure & ready to enjoy. Standard Features: Battery Monitoring Can monitor up to 2 battery banks, if additional banks are required the Siren Marine Battery Sensor will need to be added.. GPS Position/Geofence. NMEA 2000. Digital Switching. 4G LTE. Features with Add-On Sensors & Accessories: Engine Metrics. Connected Fluid Tanks. Security/Entry. Bilge. High Water. Shore Power. Temperature. Satellite Compatible. Wireless Sensors 3.0.