📝 Round Waterproof Voltmeter

The Round Waterproof Voltmeter is a compact, durable, panel-mount voltage gauge designed for real-time monitoring of 5–48V systems in cars, motorbikes, caravans, 4x4s, boats, ATVs, campers, and travel trailers. Its waterproof housing, bright LED display, and universal compatibility make it an essential tool for keeping your battery systems in top condition.

⭐ Essential Benefits

• Universal compatibility – suitable for 12v and 24v systems in vehicles, boats, and off-grid setups.
• Fast installation – twist-and-lock mounting with secure retaining nut.
• Clear LED display – available in multiple colors for visibility and personal preference.
• Wide measuring range – monitors voltages from 5V to 48V.
• Durable construction – waterproof, flame retardant, and built for harsh environments.
• Real-time monitoring – track battery charge/discharge status with reverse-polarity protection.

⚙️ Functionality

This voltmeter fits into a round panel cutout and locks in place using a twist-and-lock system with a nylon retaining nut. Once connected to the vehicle’s power supply, the 3-digit LED display provides accurate, real-time voltage readings. Its waterproof and flame-retardant housing ensures reliable operation across automotive, marine, and off-road environments.

🔌 Compatibility

• Works with 5V–48V DC systems
• Ideal for cars, motorbikes, boats, ATVs, UTVs, caravans, campers, and trailers
• Supports both 12v and 24v battery monitoring
• Suitable for dashboards, switch panels, control pods, and marine consoles

🧰 Installation Difficulty

🟢 1/5 (Easy)
Mount in a round cutout, secure with the retaining nut, and connect positive and negative terminals.

🔍 Features

• Waterproof and flame-retardant housing
• 3-digit LED display
• Optional LED colors: red, white, blue, green, orange
• Reverse-connection protection
• Compact panel-mount design

📊 Specifications

Specification	Detail
Voltage Range	5V–48V DC
Body Diameter	Approx 36MM
Material	Waterproof, Flame-Retardant Plastic
Display Type	LED (3-digit)
Display Colors	Red, White, Blue, Green, Orange
Connection	Anode / Cathode Terminals

📦 What’s Included

• 1 × Round Waterproof Voltmeter
• 1 × Retaining Nut

🙌 Why Choose This Product?

This waterproof mini voltmeter offers fast installation, reliable monitoring, and excellent visibility, making it ideal for keeping track of battery health across automotive, off-grid, and marine environments. Its rugged build and universal compatibility ensure dependable performance wherever your setup takes you.

🚀 Our Promise

Order today for same-day dispatch and explore our full range of 12v monitoring and electrical accessories.