The GW Instek GDS-2204A Digital Storage Oscilloscope features an All-In-One design, including 1GSa/s real-time sampling rate, 25k record length, 4 input channels, TFT color LCD display, USB support on flash drive storage, color printout, remote control, battery power operation and all the powerful Auto-Measurement functions. The GDS-2000 Series, carrying bandwidths of 200MHz, 100MHz and 60MHz and inputs of 2 and 4 channels, makes up a family of 6 members in total. The combination of 1GSa/s real-time sampling rate (25GSa/s for ET sampling) and 25k point's record length of the GDS-2000 Series provides the highest value platform among all equivalent products available in the market today. Features: 200 MHz Bandwidth 4 Input Channels 1GSa/s Real-Time and 25GSa/s Equivalent-Time Sampling Maximum 25k Points Record Length Large 5.6-in TFT Color Display USB Host/Device: USB Printer and USB Flash Drive Supported Battery Operation (optional) Color Printout.