Feature: Excellent Industrial Design Direct key for Each Channel ,Time base ,Trigger and DMM,easy to operate Large 5.7 inch TFT Color LCD Display Led backlight,Display clearly USB Host/Device 2.0 full-speed interface support removeable disk, RS-232/LAN Optional 6000 COUNTS high precision DM High refresh rate High Real-time Sample Rate 500MS/s 50GS/s Equivalent-time Sample Rate Multiform Trigger mode 2 separate Time Base in ALT Trigger mode easy to see 2 signal with different frequency 1000 waveforms save and record One Year Manufacturer Warranty