Half-Price Sale! Rush In & Buy Now!
![GOST Water Resistant Strobe [GA-STROBE-WHITE]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961340/gost-water-resistant-strobe-ga-strobe-white-1744961344.webp)
$379.99
$99.00
![GOST Wireless Analog Temperature Sensor [GMM-IP67-TEMPSENSOR]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961340/gost-wireless-analog-temperature-sensor-gmm-ip67-tempsensor-1744961344.webp)
![GOST Wireless Smoke Detector [GP-SD]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961340/gost-wireless-smoke-detector-gp-sd-1744961344.webp)
$329.99
$99.00
![Raymarine YachtSense Link Marine Mobile Router [E70640]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961237/raymarine-yachtsense-link-marine-mobile-router-e70640-1744961241.webp)
$1,199.99
$99.00
![Sensar Boat Monitor Package w/o Bilge Sentry [BM700]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961294/sensar-boat-monitor-package-w-o-bilge-sentry-bm700-1744961299.webp)
$399.00
$99.00
![Sensar Boat Monitor w/Bilge Sentry [BMBS700]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961411/sensar-boat-monitor-w-bilge-sentry-bmbs700-1744961415.webp)
$499.00
$99.00
![Siren Marine 120V AC Shore Power Relay - Wired [SM-ACC-ACRE-120]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961237/siren-marine-120v-ac-shore-power-relay-wired-sm-acc-acre-120-1744961241.webp)
![Siren Marine Audible Alarm [SM-ACC-ALRM]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-audible-alarm-sm-acc-alrm-1744961216.webp)
$55.11
$27.56
![Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-battery-sensor-f-siren-3-sm-wls3-batt-917-1744961216.webp)
![Siren Marine Bilge Pump Sensor f/Siren 3 [SM-WLS3-BILG-917]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-bilge-pump-sensor-f-siren-3-sm-wls3-bilg-917-1744961216.webp)
![Siren Marine Entry Sensor f/Siren 3 [SM-WLS3-ENTR-917]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-entry-sensor-f-siren-3-sm-wls3-entr-917-1744961216.webp)
![Siren Marine External GPS Antenna f/Siren 3 Pro Includes 10 Cable [SM-ACC3-GPSA]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-external-gps-antenna-f-siren-3-pro-includes-10-cable-sm-acc3-gpsa-1744961216.webp)
![Siren Marine High Water Sensor f/Siren 3 [SM-WLS3-HIWS-917]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961212/siren-marine-high-water-sensor-f-siren-3-sm-wls3-hiws-917-1744961216.webp)
![Siren Marine PAM4 Wired DC Relay [SM-ACC-DCRE]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744960925/siren-marine-pam4-wired-dc-relay-sm-acc-dcre-1744960929.webp)
$28.07
$22.46
![Siren Marine Remote Cellular GPS Antenna - Adhesive Mount Puck [SM-ACC3-RCGA-PUCK]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961320/siren-marine-remote-cellular-gps-antenna-adhesive-mount-puck-sm-acc3-rcga-puck-1744961324.webp)
![Siren Marine Remote Cellular GPS Antenna - Threaded Mount Dome [SM-ACC3-RCGA-DOME]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744961365/siren-marine-remote-cellular-gps-antenna-threaded-mount-dome-sm-acc3-rcga-dome-1744961369.webp)