ITEM NAME:Ammeter Digital Panel LED Light Blue DC 0-10A Ammeter Tester S1K2 Ammeter Digital Panel LED Light Blue DC 0-10A Ammeter Tester S1K2 100% new high quality Compact, easy to install Display of two decimals, need auxiliary power supply, the protection connection is the opposite LED display, very clear;Material: metal, plastic Name: DC ammeter Display Color: Blue Product Module: Hull Dimensions: 35 x 18 x 9 mm Cable length: about 19cm Range: DC 0-10A Power range: 4-30 V Cable: Great White: Current input Big Black: Output current Red: positive power Black: Food Negative Note: 1. In order to empower the ammeter in the measuring circuit, the food and the entry of this product is disigned in the same ground line. This means that the black line is the ground line, another line connects the thick entrance of the amplification amperometric circuit. 2. Line of the sample (thick line) should connect to the negative electrode, or immediately burn the ammeter. 3. Two thick lines in ammeter must connect the two negative electrodes. 4. Please do not use the wrong power adapter. The border between the shunt and the ammeter may not be too long. You can use the battleship line along if you need the line. Package Contents: 1 x ammeter 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..Range: DC 0-10A. Display Color: Blue. Red: positive power.