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. 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.