5pcs 0.28" LED Voltmeter Ammeter, Red and Blue Digital Multimeter Display Voltage Current Tester,DC 0-100V 10A Detector Voltage Current Meter Panel Amp Volt Gauge

Specifications:Working voltage:4-30V DCNote: The maximum input voltage can not exceed 30V, otherwise there is the danger of burningWorking current:â?¤20mADisplay: 0.28" Two color blue and redMeasuring range: DC 0-100V 0-10AMinimum resolution (V): 0.1VRefresh rate: 100mS / timesMeasure accuracy: 1% Minimum resolution (A): 0.01AOperating temperature: -15 to 70°cWorking pressure: 80 to 106 kPasize :48x29x21 mm/1.88*1.14*0.82 inch Package Included:Wiring:Black line (thin): vacant or buck circuit (module) negativeRed line (thin): power supply+Black line (thick): COM, common measuringRed line (thick): PW+, measuring terminal voltage input positiveYellow line (thick): IN+, current input+(Please refer to the wiring diagrams for more details)Notice:The voltage between the thin red and thin black lines must be within DC 4.5-30VThe ammeter can only be connected to the negative of the device under test10A below ammeter (include 10A), built-in shunt, does not require external shuntWhen the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuitsIf just be used as a voltmeter, it is recommended that the yellow line and the black line were connected together, to prevent the ammeter digital flashing5* DC 100V 10A Voltmeter Ammeter Blue Red LED Dual Digital Volt Amp Meter Gauge

• Voltage Measuring range: DC 0 - 100V
• Current Measuring range: DC 0 - 10A
• Display: 0.28" digital tube, Two color red and blue
• Working voltage: DC 4-30V(The maximum input voltage can not exceed 30V. Otherwise the meter will be burned)
• Applications:Suitable for automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement