Sell 0.28 Inch 2.5V-40V Mini Digital Voltmeter Voltage Tester Meter RED/BLUEGREEN LED Screen 30*10*8mm best price

Weight : 4g Display color: GREEN BLUE RED YELLOW Display mode: Three 0.28 LED digital tube update rate: About 500 ms/time Physical size: 30 x 12 x 8.5 mm (L*W* H, including installation ear) Power supply: Don't need the power supply, direct use of the test voltage as a power supply Lead wire length: 10 cm The minimum input: 3.50V The maximum input: 30V Measurement range: DC3.50 - 30V Operation temperature: -10 degrees~65 degrees Measurement accuracy: ± (1% + 2 Digit) Mounting holes distance: 26mm Red line:Power Supply +,Measure Voltage +,(3.50-30V DC) Black line:Power Supply -, Measure Voltage-