ITEM NAME:LED Digital Voltmeter Voltage Indicator Ammeter 0 - 30V 10A F1O3 LED Digital Voltmeter Voltage Indicator Ammeter 0 - 30V 10A F1O3 Operating voltage: DC 4.5 - 30V Instrument measuring range is 0-30V, 10A. LED light color: blue (voltage), red (current) Voltage measuring range: 0 to 30V Current range: 10A Wiring: - The small red cable connects to the anode of the operating voltage and the small black with cathode. - The large red cable connects to the anode of the tested voltage (voltage between this cable and the big black cable is displayed by LEDs.) - Connect the large common black cable to the power output tested (the small and the big black cables are together, they are connected.) (with the cathode of the tested voltage connect) - Connect the large yellow cable to the power input tested. 1 x voltage display 2 x connection cable Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.
