Sea-Dog Line 421617 Round Digital Voltmeter 5-15V DC Rainbow LED

The Sea-Dog Line 421617 digital voltmeter features an innovative rainbow LED display that provides instant visual voltage monitoring through intuitive color-coded feedback. This compact round voltmeter uses a red/yellow display to indicate low voltage conditions and green to signal normal operating voltage, allowing users to quickly assess their electrical system status at a glance.

Key Features:

• Rainbow LED display with color-coded voltage indication for quick visual reference
• Compact 1-1/8 inch round design fits standard gauge socket locations
• Designed for 12V DC electrical systems (monitors 5-15V range)
• IP65 weatherproof rating provides protection against dust and water ingress
• Durable injection molded nylon construction for marine environments
• Easy installation in existing gauge panels or custom mounting locations

This voltmeter is ideal for monitoring battery and charging system performance on boats, RVs, and other recreational vehicles. The IP65 rating ensures reliable operation even in harsh marine conditions, while the standard gauge size allows for seamless integration into existing instrument panels.