1Pc DC 2.5-30V Test Tool Mini LED Display 3-Digital Gauge Voltage Voltmeter Voltameter Panel Meter

Label:Yes Lead wire length: 15cm Working Temperature: -10C-65C Permissible error: 1%(±1 digit) Size: 30 x 11.5 x 9mm (L*W*H) Two-wire Measurement range: DC 2.5~31.5V Working Current:< 30mA Speed ratio: about 100ms/time Display color: red/ yellow / blue / green.(Please choose the color before you buy it.) Minimum input voltage: DC 2.5V(Lower than 2.5V, the brightness will be weakened, but this will not affect the accuracy of measurement) Maxmum input voltage: DC 40V(Higher than this voltage is has a risk of overburning) Display mode: three digit LED digital tube 100% Brand new and high quality Accuracy automatic adjustment ,when less than 10V accurate to 0.01V, more than 10V accurate to 0.1V And it is self-powered version, Two wire connection, with reverse polarity protection No power supply needed

Package Included: 1x Digital Voltmeter