Features: Can be part of the circuit for Ohm's law applications. Used as an additional resistor to extend 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 physical electricity experiment teaching. Specifications: Attenuation Range / Mini 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 inches) Color: Black Quantity: 1 Piece Display Type: Analog and Digital Accuracy Class: As specified in details Operating Temperature: As specified in details Testing Voltage: As specified in details Electrical testing capability Material: Plastic Package Includes: 1 x Simple Resistance Box Note: Light and display differences may cause slight color variation between the image and actual item. Measurement error allowed within +/- 1-3 cm. Only the above package content is included; other items are not part of the package.