? EASY TO USE - Abundant shortcut keys and graphical user interface simplifies every operation, which makes it easy to operate. Surface mounting technology improves interference immunity and operational life span. ?WIDE APPLICATION - Widely used in electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields. ?WAVEFORM TYPE - Sine, Square, pulse, triangular wave, partial sine wave, CMOS wave, DC level, half wave, full Wave, positive staircase wave, anti-ladder wave, noise wave, exponential rise, exponential drop, multisonic wave, Symplectic pulse and Lorenz pulse and 60 arbitrary waveforms ?EASY TO USE - Panel buttons, soft buttons, feel comfortable, easy to press the multi-function combination button. ?COLOR SCREEN - TFT color display HD display, with character function display, large screen color display, at a glance.