Features:Can be verified part of the circuit Ohm's law.Used as an additional resistor to expand the range of volts.Used to measure unknown resistance.Used as electromotive compatible withce and internal resistance compatible with measuring power supply.Used as a known resistor in the circuit to regulate the required current.Used compatible with physical electricity experiment teaching.Specification:Attenuation Range / Mini Step: 0 to 9999ohm, 1 ohm stepShell material: PlasticDimensions: 14x10x5cm/5.51x3.94x1.97inchColor: BlackQuantity: 1 PcDisplay Type: Analogue and DigitalAccuracy Class: as detailsOperating Temperature: as detailsDIY Supplies: ElectricalTesting Voltage: as details and material: plasticPackage includes:1 * Simple Resistance BoxOnly the above package content, other products are not included.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.