This is "capacitance substitution box" good low-cost alternative solution, can flexible and quick setting capacitance range from 1uF to 9999uF, step accuracy 1uF. for educational experiments, electronic engineering design or test trimming are excellent applications.

Features:
Programmable capacitance: 1uF to 9999uF, 1uF per step.
Capacitance tolerance: +/-10%.
Operating voltage: 35Vdc (MAX.).
Size: W 64.2mm x L 104mm x H 31mm / 2.53” x 4.09” x 1.22”
Design based on “capacitor parallel” theorem.
4mm banana sockets with plugs, easy to connect wires.
High quality FR4 glass fiber PCB.