Description of LED digital DC voltmeter Blue 0.28 inch This mini voltmeter features a 3-digit 0.28 inch seven segment display. It has reverse connect protection function. When voltage is less than 10V, two decimal places will be shown. When voltage is more than 10V, one decimal place will be shown. This voltmeter can be used to measure mobile phone battery ,car battery and such other application. Click here to know more about this product.
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