5 PCS Mini Digital Voltage Meter, Three-Wire DC 0~100V Calibratable Voltmeter Battery Monitor, Voltage Gauge Tester with 0.36" LED Display Panel for Car Motorcycle (Blue)

About this item

• Easy to Read: This voltmeter features a high-contrast LED display with 0.36-inch digital tubes providing clear and intuitive readings. Its screen stays highly visible in both low-light and bright conditions allowing you to easily read voltage values and monitor power status in real time
• Effective Protection: This mini digital voltmeter features built-in reverse polarity protection effectively stopping damage caused by incorrect positive and negative wiring. Even if wired incorrectly the voltmeter will not burn out providing an extra layer of safety during installation and use
• Quantity and Size: The package includes 5 digital voltage meters which are sufficient to meet your daily use and replacement needs without frequent repurchasing. Each voltmeter measures 0.91 × 0.59 × 0.39 inches compact and small and takes up little space making it easy to store and carry
• Easy Installation: This voltmeter is easy to install. Connect the black wire to the negative terminal (ground). For 3-wire use connect the red wire to the positive power source and the white wire to the positive terminal of the circuit under test; for 2-wire use connect both the red and white wires together to the positive terminal of the circuit under test
• Wide Application: When this voltmeter is connected in 3-wire mode the operating voltage is 4 to 40V and the measuring range is 0 to 100V. When connected in 2-wire mode the operating voltage is 4 to 40V and the measuring range is 0 to 40V. It is suitable for most vehicles such as cars motorcycles and electric scooters