Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Small Size, Complete Functions, Simple Operation And Easy To Carry. It Can Be Powered By An Adapter Or A Lithium Battery. Together With An Oscilloscope, It Can Be Used For Electronic Circuit Testing And Debugging, Audio Amplifier Frequency Characteristics And Impulse Response Testing And Measurement. Due To The Good Accuracy And Frequency Stability Of Dds, It Is Also Very Suitable For Oscilloscope Scanning Time Factor Calibration. Square Wave Output Is Suitable For Oscilloscope Attenuator And Probe Pulse Characteristic Adjustment, Etc. Although It Is Small, It Has Many Functions And Is Easy To Operate And Carry. It Can Be Used With An Oscilloscope To Test And Debug Electronic Circuits, Frequency Response And Impulse Response Of Audio Amplifiers. Square Wave Is Suitable For Adjusting The Oscilloscope Attenuator And Probe Impulse Response. It Can Also Calibrate The Sweep Time Factor Of The Oscilloscope. There Is A Filter (Which Can Be Turned On And Off) To Suit The Output Of Sine And Pulse Waves. Description: Instructions: This Functional Signal Generator Can Test A Of Waveforms, Such As Sine Waves, Square Waves, Triangle Waves, Positive And Negative Waves. It Is Specially Designed For Those Professional Workers. 1. Output signal type: sine wave, square wave, triangle wave, positive and negative wave. 2. Frequency range: sine wave is 1Hz-500kHz, other waveforms are 1Hz-20kHz. 3. Resolution: 1Hz 4. Sine wave distortion: 1kHz Less than 1% or less, 1kHzLess than 0.5% or more. 5. DC offset range: 10V (can be turned off) 6. Output range: 10V (PP) 7. Output impedance: 50 8. Power supply voltage: DC3.5-10V Material: ABS Color as shown Package Contents: 1 x Signal Generator 1 x Connecting Cable Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.