Siren 3 Pro Main DeviceFeatures:Providing the ultimate smart boating experience that keeps you connected to your boat 24/7, regardless of boat size, type or useThe 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 BoatA(R) TechnologyTogether with our easy-to-use App plus global cellular & optional satellite connectivity, our smart boat device connects you to your boat anytime, anywhereMake your life easier by controlling your boat's lights, A/C & digital switching systems remotely from the palm of your handThe Siren 3 Pro provides a better boating experience with remote monitoring, helping your boat stay safe, secure & ready to enjoyStandard Features:Battery MonitoringGPS Position/GeofenceNMEA 2000Digital Switching4G LTEFeatures with Add-On Sensors & Accessories:Engine MetricsConnected Fluid TanksSecurity/EntryBilgeHigh WaterShore PowerTemperatureSatellite CompatibleWireless Sensors 3.0