Blue Sea 1839 M2 OLED Tank Monitor [1839] Brand_Blue Sea Systems Pre-drilled and slit rubber seals

Pre-drilled and slit rubber seals for easier installation

Ideal for hard tops

BOLT 24x9 Electric Trim Tab System - Control Switch Required

LightArmor™ All-Round navigation light engine

The C-Light™ H2O is activated with contact with water or manually with an easy twist on/off

Blue Sea 1839 M2 OLED Tank Monitor [1839] Brand_Blue Sea Systems Pre-drilled and slit rubber sealsM2 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