Save 41%
![T-H Marine Additional Remote Control Unit f/2-Way Boat Alarm System [TWAR-1-DP]](http://merceroutdoors.com/cdn/shop/products/82152XL_{width}x.jpg?v=1647205977)
Sale price$45.99
Regular price$78.44
T-H Marine Additional Remote Control Unit f/2-Way Boat Alarm System [TWAR-1-DP]T-H Marine Supplies
In stock, 6 units![Siren Marine 120V AC Shore Power Relay - Wired [SM-ACC-ACRE-120]](http://merceroutdoors.com/cdn/shop/products/87916XL_{width}x.jpg?v=1647238381)
Sale price$69.67
Siren Marine 120V AC Shore Power Relay - Wired [SM-ACC-ACRE-120]Siren Marine
Only 2 units left![Siren Marine Wired Magnetic REED Switch [SM-ACC-REED]](http://merceroutdoors.com/cdn/shop/products/66683XL_{width}x.jpg?v=1647132790)
Sale price$18.38
Siren Marine Wired Magnetic REED Switch [SM-ACC-REED]Siren Marine
Only 2 units left![Garmin OnDeck Security Sensor [010-13009-03]](http://merceroutdoors.com/cdn/shop/products/86201XL_{width}x.jpg?v=1647229549)
![Siren Marine Wired Infrared Motion Sensor [SM-ACC-INFR]](http://merceroutdoors.com/cdn/shop/products/66682XL_{width}x.jpg?v=1647132781)
Sale price$135.19
Siren Marine Wired Infrared Motion Sensor [SM-ACC-INFR]Siren Marine
In stock, 3 units![Siren Marine External GPS Antenna f/Siren 3 Pro Includes 10 Cable [SM-ACC3-GPSA]](http://merceroutdoors.com/cdn/shop/products/86032XL_{width}x.jpg?v=1647228319)
Sale price$49.91
Siren Marine External GPS Antenna f/Siren 3 Pro Includes 10 Cable [SM-ACC3-GPSA]Siren Marine
In stock, 3 units![Siren Marine Remote Cellular GPS Antenna - Threaded Mount Dome [SM-ACC3-RCGA-DOME]](http://merceroutdoors.com/cdn/shop/products/98287XL_{width}x.jpg?v=1678837315)
Sale price$98.79
Siren Marine Remote Cellular GPS Antenna - Threaded Mount Dome [SM-ACC3-RCGA-DOME]Siren Marine
Only 1 unit left![Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917]](http://merceroutdoors.com/cdn/shop/products/85429XL_{width}x.jpg?v=1647224373)
Sale price$139.09
Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917]Siren Marine
In stock, 14 units![Siren Marine SirenSat Offshore Satellite Antenna w/2M Power Cable [SM-SAT-OFFS]](http://merceroutdoors.com/cdn/shop/products/82837XL_{width}x.jpg?v=1647209757)
![Siren Marine SirenSat Offshore Satellite Antenna w/2M Power Cable [SM-SAT-OFFS]](http://merceroutdoors.com/cdn/shop/products/82837BXL_{width}x.jpg?v=1647209759)
Sale price$259.99
Siren Marine SirenSat Offshore Satellite Antenna w/2M Power Cable [SM-SAT-OFFS]Siren Marine
In stock, 7 units![Sensar Boat Monitor w/Bilge Sentry [BMBS700]](http://merceroutdoors.com/cdn/shop/files/102488XL_{width}x.jpg?v=1702509119)
![Sensar Boat Monitor w/Bilge Sentry [BMBS700]](http://merceroutdoors.com/cdn/shop/files/102488BXL_{width}x.jpg?v=1702509121)
![Siren Marine Remote Cellular GPS Antenna - Adhesive Mount Puck [SM-ACC3-RCGA-PUCK]](http://merceroutdoors.com/cdn/shop/products/95661XL_{width}x.jpg?v=1656492731)
Sale price$98.79
Siren Marine Remote Cellular GPS Antenna - Adhesive Mount Puck [SM-ACC3-RCGA-PUCK]Siren Marine
Only 2 units left![Siren Marine Wired Shore Power Sensor Plug [SM-ACC-SHOR]](http://merceroutdoors.com/cdn/shop/products/66685XL_{width}x.jpg?v=1647132810)
Sale price$72.79
Siren Marine Wired Shore Power Sensor Plug [SM-ACC-SHOR]Siren Marine
In stock, 10 units![Siren Marine Wired Canvas Snap Cover Sensor [SM-ACC-SNAP]](http://merceroutdoors.com/cdn/shop/products/66680XL_{width}x.jpg?v=1647132772)
Sale price$38.47
Siren Marine Wired Canvas Snap Cover Sensor [SM-ACC-SNAP]Siren Marine
Only 2 units leftSave 5%
![GOST Mini Ball Wide Angle Camera - 1080p [GOST-MINI-BALL-1080P-W]](http://merceroutdoors.com/cdn/shop/products/97047XL_{width}x.jpg?v=1666242909)
Sale price$600.99
Regular price$634.99
GOST Mini Ball Wide Angle Camera - 1080p [GOST-MINI-BALL-1080P-W]GOST
In stock, 5 units![Siren Marine Wired Micro ePIR Motion Sensor [SM-ACC-EPIR]](http://merceroutdoors.com/cdn/shop/products/66684XL_{width}x.jpg?v=1647132799)
Sale price$145.59
Siren Marine Wired Micro ePIR Motion Sensor [SM-ACC-EPIR]Siren Marine
In stock, 5 units![Siren Marine Temp Sensor f/Siren 3 [SM-WLS3-TEMP-917]](http://merceroutdoors.com/cdn/shop/products/85428XL_{width}x.jpg?v=1647224363)
Sale price$139.09
Siren Marine Temp Sensor f/Siren 3 [SM-WLS3-TEMP-917]Siren Marine
In stock, 11 units![Siren Marine High Water Sensor f/Siren 3 [SM-WLS3-HIWS-917]](http://merceroutdoors.com/cdn/shop/products/85430XL_{width}x.jpg?v=1647224382)
Sale price$139.09
Siren Marine High Water Sensor f/Siren 3 [SM-WLS3-HIWS-917]Siren Marine
In stock, 24 unitsSave 6%
![GOST NT-Evolution Security Hard Wired Package w/OB Cowling Sensor [GNT-EVOLUTION-SM-IDP-HW-OB]](http://merceroutdoors.com/cdn/shop/files/101602XL_{width}x.jpg?v=1696400780)
Sale price$4,687.99
Regular price$4,999.99
GOST NT-Evolution Security Hard Wired Package w/OB Cowling Sensor [GNT-EVOLUTION-SM-IDP-HW-OB]GOST
Only 1 unit leftSave 6%
![GOST NT-Evolution Security Hard Wired Package [GNT-EVOLUTION-SM-IDP-HW-110ACPWROUT]](http://merceroutdoors.com/cdn/shop/files/101601XL_{width}x.jpg?v=1696400765)
Sale price$4,687.99
Regular price$4,999.99
GOST NT-Evolution Security Hard Wired Package [GNT-EVOLUTION-SM-IDP-HW-110ACPWROUT]GOST
In stock, 4 units![GOST Nav-Tracker 1.0 w/30 Cable - Insurance Package [GNT-1.0-30-INS-ID]](http://merceroutdoors.com/cdn/shop/products/97024XL_{width}x.jpg?v=1666242727)
Sale price$1,499.99
GOST Nav-Tracker 1.0 w/30 Cable - Insurance Package [GNT-1.0-30-INS-ID]GOST
In stock, 9 unitsSave 2%
![GOST Water Resistant Mini Siren [GA-MINI-SIREN]](http://merceroutdoors.com/cdn/shop/products/97043XL_{width}x.jpg?v=1666242870)
Sale price$127.99
Regular price$129.99
GOST Water Resistant Mini Siren [GA-MINI-SIREN]GOST
Only 2 units leftSave 5%
![GOST High Water Sensor [GMM-IP67-HWS]](http://merceroutdoors.com/cdn/shop/products/97035XL_{width}x.jpg?v=1666242801)
![Siren Marine Audible Alarm [SM-ACC-ALRM]](http://merceroutdoors.com/cdn/shop/products/83190XL_{width}x.jpg?v=1647212531)
![Siren Marine PAM4 Wired DC Relay [SM-ACC-DCRE]](http://merceroutdoors.com/cdn/shop/products/66687XL_{width}x.jpg?v=1647132819)