Dimensions: 35mmx14mmx10mm
Measurement accuracy: 0.1%
Refresh rate: about 200mS / times
Display: Three 0.36 "digital tube
Measuring range: DC 0V--30V
Input range: DC 5V-30V
Display Color: Blue
Operating current: Less than 8mA
Operating temperature: -10°c -65°c
Input impedance: About 100K
Reverse polarity protection: yes

Wiring:
Red: power supply +
Black: power supply -, measure -
Blue: measure +