uxcell Mini Digital Voltmeter 2 Wires 0.36 Inch Voltage Tester Meter DC 2.5V-30V Red LED Display

Display:three digits red bright LED tube, very bright and clear. Voltmeter Range:DC 2.5-30V. Compact design and well made, the dimension is 33x14x8mm. Connection(While testing 0-30V). Both Red and Yellow to Positive, Black to Negative (DUT also the power source) Connection(While testing 0-100V). For DUT: Red to Positive, Black to Negative; For power source: Yellow to Positive, Black to Negative. Display Color: Red Refresh Rate: 500ms Accuracy: 1% Package content: 1 x Voltmeter