Features: Can be part of the circuit for Ohm's Law experiments. Used as an additional resistor to extend the voltage range. Used to measure unknown resistance. Used for measuring electromotive force and internal resistance of power supplies. Used as a known resistor in circuits to regulate required current. Suitable for electricity experiment teaching. Specifications: Attenuation Range / Minimum Step: 0 to 9999 ohm, 1 ohm step Shell Material: Plastic Dimensions: 14 x 10 x 5 cm / 5.51 x 3.94 x 1.97 inch Color: Black Quantity: 1 Piece Display Type: Analogue and Digital Accuracy Class: As specified in product details Operating Temperature: As specified in product details Application: Electrical testing Testing Voltage: As specified in product details Material: Plastic Package Includes: 1 x Simple Resistance Box Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3 cm.