3pcs Blue 0.56 Inch Mini Digital Voltmeter DC 4.5V To 30V Digital Voltmeter Voltage Panel Meter For 6V 12V 24V Electromo

Description This DC Voltage Meter with DC4 5 30V range It is easy to read install and useAnd it is self powered version and supports Reverse polarity protection When the voltage is under 10V there will 2 readings after decimal point which mean the accuracy is 0 01 when it is under 10V when it is above 10v the accuracy is 0 1Mini LED displayNo power supply neededMeasure Voltage DC 4 5 30V two wire accessDisplay Three digit 0 56 LEDRefresh Speed Approx 300mS timeHighest input DC 30V higher than 30v has the risk of burn up Minimum input DC 4 5V below than 4 5V measurement is inaccurate or does not show Minimum Resolution 0 01V 10V 0 1V 10V Resolution 1 1digitWorking Temperature 20℃ 65℃Size Approx 48mm x 29mm x 22mm L W H Hole Size Approx 46 27mmCurrent Consumption 23mALED Color Blue Package included 3 x Digital Voltmeter