Siren 3 Main Device id='isPasted'>Designed with small to medium boats in mind, the Siren 3 offers immense value at an affordable price. Together with the Siren Connected Boat Mobile App, our Smart Boat Monitoring System puts your boat in the palm of your hand 24/7.Install the Siren 3 on your boat to monitor and track multiple critical systems such as battery levels, bilge pump activity, engine performance, temperature, location, and more, all right on the App*.Features:Advanced features include Global 4G/5G LTE-M Connectivity, built-in NMEA 2000, and Yamaha Command Link connectivity*Some monitoring capabilities require a Siren 3 Series Wireless Sensor (now 25% off for a limited time only)*Supports up to 6 wireless sensor pairings and 1 wired sensorBattery Monitoring - Monitor your boat's battery & receive alerts if voltage is lowGPS Position/Geofence - Track boat's location & receive alerts on boat movementNMEA 2000 - Best-in-class NMEA 2000 marine electronics backb