Features: Can be part of the circuit for Ohm's Law applications. Used as an additional resistor to extend voltage measurement range. Used to measure unknown resistance values. Functions as a known resistor in circuits to regulate current. Suitable for electromotive force and internal resistance measurement of power supplies. Ideal for electricity experiment and eonal purposes. Specifications: Resistance Range / Minimum Step: 0 to 9999 ohms, 1 ohm step Case Material: Plastic Dimensions: 14 x 10 x 5 cm (5.51 x 3.94 x 1.97 inches) Color: Black Display Type: Analog and Digital Accuracy Class: As specified by manufacturer Operating Temperature: As specified by manufacturer Electrical Testing Voltage: As specified by manufacturer Material Quality: High-quality plastic Package Includes: 1 x Simple Resistance Box Note: The package includes only the items listed above. Other accessories or devices shown in images are not included. Lighting and display settings may cause slight variations in the color of the product as shown in pictures compared to the actual item. Measurement error tolerance is +/- 1-3 cm.