SHMZK 5 PCS Mini Digital Voltage Meter, DC 0~30V Three-Wire Digital Voltmeter Gauge Tester, 0.36" Calibratable LED Display Panel Mount Car Motorcycle Voltmeter Battery Monitor (Green)

【Precise Measurement】: This voltmeter accurately measures DC voltage within a range of 0 to 30V. Ideal for monitoring battery voltage and detecting power system performance, it ensures precise and reliable data to maintain the optimal operation of various electrical systems.

【Protective Function】: Integrated reverse polarity protection ensures safety by protecting against damage caused by incorrect wiring. This feature safeguards both the voltmeter and the connected system during installation and use, providing safety in a variety of environments.

【Clear Display】: Featuring a high-contrast LED display, this voltmeter equipps with 0.36-inch digital tubes for easy-to-read voltage readings. The screen remains clearly visible in both low-light and bright conditions, allowing for comfortable real-time voltage monitoring without eye strain.

【Easy Installation】: The three-wire design simplifies installation, providing clear and intuitive connections and saving time and effort. The red wire connects to the positive power source, the black wire serves as the ground connection, and the white wire measures the target voltage.

【Versatile Applications】: The voltmeter's compatibility spans across automotive systems, motorcycles, electric scooters, industrial equipment, and more. Its versatile functionality meets the demands of users who need reliable voltage monitoring for diverse projects.