ITEM NAME:Digital LED Ammeter AMP Panel Power Indicator Ammeter DC0-10A Red I7J9 Digital LED Ammeter AMP Panel Power Indicator Ammeter DC0-10A Red I7J9 Highlights & Details Compact and finely Still shows 2 digits after the decimal point Protection front commutates With clear LED display display color: red dimension: about 35 x 18 x 9 mm cable length: about 19 cm measuring range: DC 0 - 10 A coverage area: 4-30 V equipped with no housing cable: power input: thick white cable power output: thick black cable supply positive pole: red cable supply negative pole: black cable Note: The meter is.Cable should be connected with the input of the amplification circuit. power output: thick black cable. cable: power input: thick white cable. With clear LED display. coverage area: 4-30 V. Still shows 2 digits after the decimal point.