![Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917] Cartography | Garmin BlueChart Vision Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM Stereo](https://cdn.shopify.com/s/files/1/0703/9831/2605/files/85429XL.jpg?v=1740546517)
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM Stereo - 4 Zone with DSP
Vexilar Quick Connect system will connect directly to your Vexilar pack for charging
Base Dimensions: 3-3/8" x 2-1/4"
Perko 0455 and 0406
Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917] Cartography | Garmin BlueChart Vision Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM StereoBattery 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