Siren Marine Battery Sensor f/Siren 3 HUNTING GEAR/GAME CALLS/DUCK CALLS or in combination with a

or in combination with a waterproof

Uses C-Map Max or C-Map 4D Software -  MicroSD Card format for Navigation Chart Data

Bluetooth Audio Steaming - Stream and Control your favorite music apps

Used to connect a conventional 600W transducer to an Axiom Pro multifunction display

and added a 1” diameter ram

Siren Marine Battery Sensor f/Siren 3 HUNTING GEAR/GAME CALLS/DUCK CALLS or in combination with aBattery Sensor for Siren 3 Monitor battery voltage with the Wireless Battery Sensor, and never worry about a dead battery again. Attach the Battery Connector to one of the boats batteries and plug the other end into the Wireless Module. Link the module to the Siren 3 Pro and receive alerts if the battery voltage exceeds or drops below a preset level. Ideal for monitoring multiple batteries on a boat. Features: Compatible with Siren 3 Pro only