ITEM NAME:Voltmeter Ammeter LED Digital Multimeter Voltmeter Panel Meter 0-100V 10A U2Y6 Voltmeter Ammeter LED Digital Multimeter Voltmeter Panel Meter 0-100V 10A U2Y6 Brand new and high quality! Here we offer you these high quality voltmeter and ammeter. So you can simultaneously perform voltage measurement and current measurement. Dimensions: 5 x 3 x 8 cm Ad-Blue (voltage), red (power) Power supply voltage: DC 4.5-30V Voltage measurement: DC 0-100V Current measurement: 10A Cabling:- The thin red cable to the positive terminal connect to power supply input The thin black cable to the negative terminal connect to power supply input The thick red wire to measure the positive input voltage (the voltage between this cable and the thin black cable is displayed on LED panel.) The thick black cable to measure the power output (This cable has connected to the thin black cable to measure the negative voltage input.) The thick yellow cable for measuring the current input (this cable should be connected to the negative pole of the load, and the thick red cable to the positive terminal of the load to connect.) Package content: 1 x voltmeter and ammeter 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 +/- 1-3cm.