... Probe attenuation 10:1) Input coupling DC, AC Vertical resolution (A/D) 8 bits (2CH simultaneously) Sampling rate / relay time accuracy ... Overshoot ,Preshoot,Risetime,Falltime,+Width,-Width,+Duty,-Duty, Delay A Delay A←B Waveform math +, -, FFT Lissajous figureBandwidth 25MHzPhase difference ... degrees Interface USB Data Cable (Transfer waveform data to a PC) Power supply 100V-240V AC, 50Hz/60Hz, CAT11 ...