ولت متر 3 رقمی 2 سیم 3 تا 30 ولت

Display three 0.36 "LED digital tube

Technical Parameters:
     Dimensions: 20x20x11mm (without mounting ears)
     Refresh rate of about 500mS / times
     The minimum input: DC3.2V
     Power supply without power, the direct use of the measured voltage as a power supply
     The maximum input: DC30V
     Measuring range: DC3.2-30V
     Permissible error: 1%
     Display color : red
     Working temperature: -10 ℃ ~ 65 ℃