Blue Sea Systems AC source selector panel labeled for 120 Volt AC / 60 Hz. Front face includes a “Source Selector” section, a “Reverse Polarity” indicator area with red/green LEDs, and two white toggle-style circuit breakers labeled ON/OFF. Black panel has white border graphics and four corner mounting holes. Light surface wear and minor scuffs are visible on the faceplate and hardware; no accessories or wiring harnesses are shown beyond what is visible through the openings.