ALMOCN 2pcs 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

• Operating voltage: DC 4.5 ~ 30V; Size: 48mm x 29mm x 26mm
• 2pcs Accurate Voltmeter Ammeter DC0-100V Voltage 10A Current Meter 2-in-1 Digital Multimeter 10A Volt Amp Tester Meter with 5 Wires 0.28" Red and Blue Dual LED Display
• Operating Current: <20mA;Minimum resolution (A): 0.01A;Measure current: 10A
• Operating Humidity: 10 to 80% (non-condensing);Operating temperature: -10 to 65°c
• Display: 0.28" LED digital

Specifications: Working voltage:4-30V DC Note: The maximum input voltage can not exceed 30V, otherwise there is the danger of burning Working current: 20mA Display: 0.28" Two color blue and red Measuring range: DC 0-100V 0-10A Minimum resolution (V): 0.1V Refresh rate: 100mS / times Measure accuracy: 1% Minimum resolution (A): 0.01A Operating temperature: -15 to 70°c Working pressure: 80 to 106 kPa size :48x29x21 mm/1.88*1.14*0.82 inch Wiring: Black line (thin): vacant or buck circuit (module) negative Red line (thin): power supply+ Black line (thick): COM, common measuring Red line (thick): PW+, measuring terminal voltage input positive Yellow 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 4.5-30V The ammeter can only be connected to the negative of the device under test 10A below ammeter (include 10A), built-in shunt, does not require external shunt When the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuits If 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 flashing Package Included: 2* DC 100V 10A Voltmeter Ammeter Blue Red LED Dual Digital Volt Amp Meter Gauge