Use these Marine Self-Powered DC Voltage Monitors on your dash display to monitor the health of your house and cranking batteries.
SMX Full-Waterproof Marine Self-Powered DC Voltage Monitor
Includes a short fused wiring harness.
Power Supply: DC12-24V
Measuring Range: 6-30V
Measurement accuracy: ±0.1%
Operating temperature: -10°C to 65°C
Input impedance: 100K
Outer diameter: 36 mm
Thread diameter: 29 mm