Features:Has high accuracy voltmeter, measurement range is DC 0-100V.3 digits LED display the measurement, high brightness and easy to read even in the darkness.The external shell can prevent it from damage.With reverse polarity protection, long service life.The product has good stability and strong anti-interference ability.Used to monitor the household voltmeter, also applied to other DC voltmeter measuring.Specification:DC 0~100VAccuracy1%Display3 digits LEDWorking temperature- 10 ~ + 65℃Measurement rate200mS/timePowerDC 3-30VMax. outputDC 100V (above 100V carries a risk ofburning)Min. outputDC 0V (Below 0V, measurement inaccurateor not shown)Current consumption<20mALED colorWeightApprox.17g/0.6ozSizeApprox.4.8*2.9*1.9cmPackage List:1 * Digital Voltmeter1 * WireNote:Please allow slight error due to manual measurement. Thanks for your understanding..