Features:

• Upgraded to V1.3, change resistors to SMD 1206.
• This is "resistance substitution box" good low-cost alternative solution, can flexible and quick setting resistance range from 1R to 9999999R, step accuracy 1R. for educational experiments, electronic engineering design or test trimming are excellent applications.
• Design based on “resistors series” theorem.
• 1/4 watt tolerance +/-106 SMD resistors.
• 4mm banana sockets with plugs, easy to connect wires.
• High quality FR4 glass fiber PCB.
• With spare parts 20 pieces jumper caps.
• Programmable Resistance: 0 to 9,999,999 ohm, 1 ohm per step.
• Resistance Tolerance: +/-1%
• Rated Power: 1/4 Watt.
• Max. Working Voltage: 200V.
• PCB Size: 89.6 x 64.2mm / 3.53" x 2.53"