SKU: CW77192
UPC: 035514428682
MPN: 426527-1
The Sea-Dog Dual USB Rocker Switch Style Voltmeter with Hidden Display solves a persistent problem on the water: keeping your battery voltage monitored while simultaneously charging two devices via USB. Designed for serious anglers, boaters, and water sports enthusiasts, this voltmeter installs flush into standard marine dashboard openings and provides real-time battery status without consuming valuable helm space. Whether you're running a full day of fishing runs or extended cruising, maintaining visibility into your electrical system's health prevents unwanted surprises when you need power most.
This rocker-switch design fits any standard 13/16" × 1-7/16" hole, making retrofit installation straightforward on most vessels without additional cutout work. The hidden digital display remains concealed until activated, maintaining clean aesthetics while the dual USB charging ports deliver simultaneous power to phones, GPS plotters, fish finders, or portable electronics. The integrated voltmeter continuously monitors your battery output, alerting you to voltage drops or charging issues before they compromise critical onboard systems. This compact 3 × 1 × 5 inch form factor weighs just 0.1 lbs, adding negligible weight while delivering professional-grade functionality that commercial and recreational operators rely on.
Boaters who depend on multiple GPS and communication devices will appreciate the convenience of charging two units simultaneously while monitoring system voltage in real time. Anglers running extended offshore trips benefit from knowing their battery health throughout the day, preventing mid-trip power failures that could strand you miles from shore. Installation requires only a standard hole saw and basic marine electrical knowledge—the rocker switch design simplifies both mounting and operation. This voltmeter pairs seamlessly with standard 12V marine electrical systems and integrates cleanly into center consoles, cabin bulkheads, or hardtop installations where space and reliability are non-negotiable.
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