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![Blue Sea 1839 M2 OLED Tank Monitor [1839] Marine Hardware | Vents Astro® 220](https://cdn.shopify.com/s/files/1/0513/2618/9750/products/64341XL.jpg?v=1607238448)
Astro® 220
Box Dimensions: 1"H x 5"W x 6"L WT: 2 lbs
4kW [ RB716A]
BlueChart g3 Vision coastal charts provide industry-leading coverage
Blue Sea 1839 M2 OLED Tank Monitor [1839] Marine Hardware | Vents Astro® 220M2 OLED Tank Monitor The M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto dimming display. The M2 Monitors include a MOSFET External Circuit Relay (ECR) which can be used to control external circuits based on any value measured by the M2. Features: Auto dimming, bright Organic LED display is easy to read 80dB alarm on all models Isolated 500mA MOSFET relay Includes external DC Shunt or
