Description The voltmeter with 0.28 inches of digital ultra-small size tube has an area similar to a coin, using fully automated the SMD process manufacturing, process skills; voltage display accurate, better than any normal voltmeter. Can be used for car / battery car / motorcycle can be used for a variety of voltage measurement purposes. Convenient access lines, used to monitor the battery voltage, grasp the battery state, and can also be used for other voltage measuring purposes. Features: Dimensions: 30mm * 12mm * 9mm (L * W * H) Display: three 0.28 LED digital tube red Range: 0-30V two wires Refresh rate: about 500ms Measurement accuracy: 0.3% Operating temperature: -10 ℃ -65 ℃ Has protection of wrong reversed power. Documentation please see on this page.
