Sea-Dog OLED Voltmeter - Round [421600-1] Satin enabling the Zone 1 and

enabling the Zone 1 and 2 speaker or subwoofer zones

75-inch round frame

Swivel cover on base protects the base socket when light is stowed away

Enables the battery

Output: 12

Sea-Dog OLED Voltmeter - Round [421600-1] Satin enabling the Zone 1 andOLED Voltmeter Round The OLED (Organic LED) Voltmeter is designed to withstand constant vibration and the rigors of a marine environment. Monitors voltage on a bright, waterproof, daylight readable OLED screen. High contrast and resolution make this screen visible from a wide viewing angle, even with polarized sunglasses. Reverse polarity protected. Constructed of injection molded nylon with terminal spade contacts. Installation is as easy as drilling