![Blue Sea 1839 M2 OLED Tank Monitor [1839] Oversized 1-1/4](https://cdn.shopify.com/s/files/1/0177/6703/9076/files/64341XL.jpg?v=1761266573)
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
1-1/4"H x 15/16"W x 50'L
they allow you to mark spots where the fish are biting so you can return to them again in the future
Portable carrying case is perfect for kayak
Shakespeare Style 4187-HD
Blue Sea 1839 M2 OLED Tank Monitor [1839] Oversized 1-1/4"H x 15/16"W x 50'LM2 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
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