Feature:1. The resistance range can be set flexibly and quickly from 0.1R to 9999999R, with a step accuracy of 0.1R2. Based on the design of "Resistor Series" theorem, 1~2 watt tolerance +/-1% SMD resistor.3. Using screw terminal block, which is convenient to connect wires.4. With spare parts 7 jumper cap programmable resistors, 0.1 to 9,999,999, 0.1/step.5. Widely used in educational experiments, electronic engineering design or test trimming is an excellent application.Specification:Item Type: Programmable Resistor Board Material: Synthetic cardboardResistance Tolerance: +/- 1%Rated Power: 1/2W.Maximum Working Voltage: 200V.Programmable Resistance: 0.1 to 9,999,999, 0.1/step..Package List:1 x Programmable Resistor Board