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: Test voltage range DC 0~100V Accuracy 1% Display 3 digits LED Working temperature - 10 ~ + 65℃ Measurement rate 200mS/time Power DC 3-30V Max. output DC 100V (above 100V carries a risk of burning) Min. output DC 0V (Below 0V, measurement inaccurate or not shown) Current consumption <20mA LED color Red/Blue/Green/Yellow (Optional) Weight Approx.17g/0.6oz Size Approx.4.8*2.9*1.9cm Package List: 1 * Digital Voltmeter 1 * Wire Note: Please allow slight error due to manual measurement. Thanks for your understanding. 1、Has high accuracy voltmeter, measurement range is DC 0-100V. 2、3 digits LED display the measurement, high brightness and easy to read even in the darkness. 3、The external shell can prevent it from damage. 4、With reverse polarity protection, long service life. 5、The product has good stability and strong anti-interference ability.