Output Voltage: 20kV/30kV±5% Polarity: Positive/Negative Energy Storage Capacitance: 150pF±10% (Replaceable) Discharge Resistor: 330Ω±5% (Replaceable) Current Rise Time: 0.6~1ns Testing Functions: Single, Count, 20pps, Air, Contact, IEC level Trigger Mode: MANUAL/AUTO Numbers of Discharge: 1~9999 Repetition: 0.05s~99.99s Working Power: AC220V(Option 110V)±10%, 50/60Hz