Fangrui Product Details Fangrui Product Details Product Description Small Size, Multiple Functions, Simple Operation, Easy To Carry. Ith An Oscilloscope, Which Can Be Used In Electronic Circuit Experiment And Debugging, The Frequenc Due To The Good Precision Of Dds And Frequency Stability, Is Also Very Suitable For Oscilloscope Swe With An Oscilloscope, Which Can Be Used In Electronic Circuit Experiment And Debugging, The Frequency Characteristics Of Audio Amplifier And Pulse Response Of Test And Measurement. Due To The Good Precision Of Dds And Frequency Stability, Is Also Very Suitable For Oscilloscope Sweep Time Calibration Factor. Square Wave Output Also Suit For Oscilloscope Attenuator And Probe Pulse Adjustment, Etc The Main Output Waveform : Sine Wave And Square-wave, Triangular Wave, Sawtooth Wave. Maximum Output Amplitude : +/- 10vpp (no-load) Output Impedance : 50ohm+/- Dc Bias : +/- 10v (no-load) Display : Lcd1602 Resolution : 1 Hz Power Supply : Dc 3. 5-10v Output Frequency Range : Sine Wave : 1hz-500khz Square-wave : 1 Hz - 20khz (the