SMAKN 0 36 2 Wires BLUE DC 3 2 30v LED Panel Digital Display Voltage Meter Voltmeter

Weight: 9g Display color: Red/Blue/White/Yellow/Green Display mode: Three 0.36 LED digital tube update rate: About 500 ms/time Physical size: 35mm*23mm*20mm (L*W* H) Opening size: 32 x 21 mm (L*W) Power supply: Don't need the power supply, direct use of the test voltage as a power supply Lead wire length: 9.5 cm The minimum input: 3.2V The maximum input: 30V Measurement range: DC3.2 - 30.0V Operation temperature: -10 degrees~65 degrees Measurement accuracy: ± (1% + 2 Digit) Red line:Power Supply +,Measure Voltage +,(3.2-30V DC) Black line:Power Supply -, Measure Voltage-