Frienda 2 Pieces DC 4-28V Car Digital Voltmeter – Waterproof 12V LED Voltage Gauge

Overview

Meet Frienda with a compact 2 piece DC voltmeter set designed for 4 to 28 volts. The meters use a simple two wire connection and do not require a separate power supply. Their small footprint fits under dashboards, control panels, or coil enclosures while delivering a clear three digit LED readout.

Where it shines

This voltmeter kit is suitable for a wide range of vehicles and equipment. It works well with cars, boats, RVs, ships, and other DC powered systems, as well as test devices and automation panels. Real time voltage readings help you monitor the status of electrical networks at a glance, wherever you connect them.

• Two meter package provides coverage for multiple circuits or vehicles
• Two wire detection keeps installation simple with no extra power lead
• Waterproof design extends durability in exposed or under hood environments
• Three digit LED display is easy to read in bright sun or dim cab lighting

Technical notes

• Working voltage input range from DC 5 to 30V
• Display voltage range from 5 to 28.6V for real time status
• Operating temperature from minus 10 to 70 degrees Celsius
• Relative humidity range 10 to 80 percent with no condensation
• Adequate environmental protection with a robust waterproof build
• Sunlight exposure should avoid direct reflection on the display for best readability

Practical usage tips

Install the meters where you can quickly glance while driving or working on equipment. Use them to validate voltage during startup, charging, or routine checks in harsh environments. The display provides a fast reference to battery status without interrupting normal operations.