Portable DC 0-30V Voltmeter LED Display Panel Car Motor Digital Voltage Meter

Specifications: Three wires digital voltmeter, mini size, portable and useful. With reversal protection, safe to use. Measure voltage range 0-30V, need DC4-30V external power supply.

Type: Digital Voltmeter Measure Voltage Range: DC 0 - 30V Input Range: DC 4V-30V (Max. Input: DC 30V. The device can be damaged if input is over 30V.) Measurement Accuracy:1% Display: Three Digit 0.56" LED Display Color: Red, Green, Blue Operating Current: Red