ITEM NAME:Mini LED Display Digital Voltmeter Panel Voltage Meter DC 3 - 200V N4D8 Mini LED Display Digital Voltmeter Panel Voltage Meter DC 3 - 200V N4D8 Here offers the first Voltmeter new class, which is equipped with LEDs. Voltage: DC 3 - 200V Dimensions: 2.3 x 1.5 x 0.8 cm LED Light Color: Red Wiring: red and blue for connecting the anode, the black wire to the cathode 1 x Digital Voltmeter 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..LED Light Color: Red.