Features Easy wire connection: Featuring screw terminal block for effortless wire connection, with a resistance tolerance of +/- 1% and a rated power of 1/2 watt. Flexible resistance range: Quickly set the resistance range from 0.1R to 9999999R with a step accuracy of 0.1R, offering versatile usage options. 8 jumper covers: Equipped with 8 jumper covers for programmable resistors, allowing precise adjustments from 0.1R to 9,999,99R at 0.1R per step. Cost-effective alternative: Provides a cost-effective alternative to traditional resistance boxes, making it a practical choice for various applications. Versatile applications: Widely used in educational experiments, electronic engineering design, and test trimming, making it an excellent choice for electronic component applications. Specification: Item Type: Programmable Resistor Board Material: FR4 Copper Clad Laminate Resistance Tolerance: + / - 1% Rated Power: 1 / 2 Watt Maximum Working Voltage: 200V Programmable Resistance: 0.1 to 9,999,999 Ohms, 1 Ohm Per Step Fixed Hole Center Distance: Approx. 100 x 33mm / 3.9 x 1.3in Fixed Hole Diameter: Approx. 3mm / 0.12in Board Thickness: Approx. 1.6mm / 0.06in Package List: 1 x Programmable Resistor Board Package List 1 x Programmable Resistor Board