Siren Marine Battery Sensor f/Siren 3 HUNTING GEAR/GAME CALLS/DUCK CALLS Built in SD card slot

Built in SD card slot for software updates

Prevents Backwash

into your house sewer clean-out

The large interior radius allows you to sit comfortably without bending over and provides excellent headroom

or in combination with a waterproof

Siren Marine Battery Sensor f/Siren 3 HUNTING GEAR/GAME CALLS/DUCK CALLS Built in SD card slotBattery 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