The Agilent U1604B handheld digital oscilloscope is a full-featured oscilloscope that offers maximum versatility for current and future needs. The Agilent U1604B model is a dual-channel, 40-MHz oscilloscope that has built-in DMM and recorder functions. Features 40-MHz Bandwidth 2 channels 200 MSa/s Sampling Rate Up to 11,100 points recording length Color Display - 4.5 inch Waveform Zoom and Math Functions FFT with 4 windowing techniques 6000 count Digital Multimeter Data Logger Capability Connectivity Standard: USB 2.0 Full Speed IO Interface Optional Connectivity USB Host Capability with Option 001 - Allows you to connect to a USB Memory Device and download waveforms instantaneously.