ITEM NAME:DC 0-20A Analog Amp Meter Ammeter Current Panel + 20A 75mV Shunt Resistor L1E3 DC 0-20A Analog Amp Meter Ammeter Current Panel + 20A 75mV Shunt Resistor L1E3 Measuring Range: 0-20A DC Accuracy: Class 2.5 Color: black&White Net weight: 56g, or 1.98oz Size: 64*55.5*47mm Shunt Resistor: High quality and good performance Used for a DC 20A current Amp meter Easy to install Accuracy: Class 0.5 Voltage Drop: 75mV Material: Steel, cupro-managanese, plastic Dimension (L x W x H): Approx. (12 x 2.5 x 1.8cm) Package included: 1x Analog Ammeter Current Panel Meter 1x 20A Resistor 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..Shunt Resistor 1x 20A Resistor. (12 x 2.5 x 1.8cm). Color: black&White. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.