This item has been shown 4 times.
Working voltage:4-30V DC
Measuring range:DC 0-100V 0-100A (more than 10A need shunt )
Refresh rate: about 200mS / times
Measure accuracy: 1% (± 1 digit)
Operating temperature: -10 to 65° c
Working pressure: 80 to 106 kPa
Display Voltmeter Color:Blue
Display Ammeter Color: Red
Display: Dual Four 0.28digital tube.
Size:2.8cm x 4.7cm x 2cm.
Black: power supply -, measure -.