Quality oscilloscope probes with a BNC connector to match to most equipment. Max Input: 600V AC P/P + DC.For field service, schools or shop.250MHz PROBE: Bandwidth: 1X = >10MHz +-3db. 10X=>250MHz +-3db: Capacitance 1X = 46pF; 10X = 11pF, (+ scope input): Impedance: 1X= 1M ohm: 10X= 10M ohm. With ground lead& retractable hook tip, IC tip & BNC adapter tip