3-Bits 100V/10A
Specifications:
Working voltage of Meter itself:DC 4 - 30V(The maximum input voltage can not exceed 30V. Otherwise the meter will be burned)
Working current of Meter itself:≤20mA
Voltage Measuring range: DC 0 - 100V
Current Measuring range: DC 0 - 10A
Voltage resolution (V): 0.1V
Current resolution (A): 0.01A
Measure accuracy: 1% (± 1 digit)
Display: 0.28" digital tube, Two color blue and red
Refresh rate: about 300mS / times
Dimensions:48mm*29mm*26mm
Operation Temp: -10℃-+65℃
3-Bits 100V/50A
Description:
100% new brand
Size: 48mm x 29mm x 21mm
Display: red and blue
Current measurement 50A
Display: 0.28 inch digital LED
Operating voltage: DC 4.5 ~ 30V
Measuring voltage: DC 0 ~ 100V
Resolution (V) minimum: 0.1V
Update frequency: about 300ms / times
Accuracy of the measure: 1% (±1 digit)
Minimum resolution (A): 0.01a
Operating current: <20 mA
Operating temperature: -10 to 65°C
Operating humidity: 10 to 80% (without condensation)
Assembly cutout: 45.5mm x 26.5mm
4-Bits 100V/10A
Description:
Display: 0.28" LED digital
Operating voltage: DC 4 ~ 30V
Measure voltage: DC 0.000 ~ 100.0V
Measure current: 0.000~9.999A
Refresh rate: ≥300ms / times
Measure accuracy: 1% (± 1 digit)
Operating Current: <20mA
Operating temperature: -10 to 65°c
Operating Humidity: 10 to 80% (non-condensing)
Size: 48mm x 29mm x 21mm
Mounting cutout: 45.5mm x 26mm 
Package Included:
1PC Voltmeter & Ammeter