Adjustable capacitor for calibrating oscilloscope probes. Model: P2100 Bandwidth: DC-100MHz Rise time: 3.5ns Attenuation ratio: 1X/10X Input resistance: 1M ohm/10M ohm +/- 2% Input capacitance: 1X:70pF-120pF, 10X:14pF-18pF Maximum input: 1X-200 working voltage (-p), 10X-600 working voltage (-p) Compensation range: 14 - 45 pF Operation environment: 0-50 Celsius,0-80%RH Storage environment: -20-60 Celsius ,0-90%RH Size: 110 +/- 2cm Colour: black Material: plastic Package Contents: 4 x Probes 16 x Marker rings 4 x ground alligator clips 4 x insulated protective caps 2 x Regulator 2 x instructions manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.