Can produce sine wave, triangular wave, square waveFrequency can be from 1HZ-1MHZFrequency, amplitude adjustable;five-bit precision resolution;Frequency adjustment has coarse adjustment and fine adjustment;Wide range of power supply, can use external power 9-12V or 9V battery;All in-line components, small number of components, simple installation and debugging.Parameters: Technical specifications:Power supply voltage: 9-12V DC inputWaveform: square, sine and triangleImpedance: 600 ohms + 10%Frequency: 1hz-1mhzSinusoidal waveAmplitude: 0-3V at 9V DC inputDistortion: less than 1% (1kHz)Flatness: + 0.05db 1hz expansionSquare waveAmplitude: 8v (no load) at 9V DC inputRise time: less than 50ns (1kHz)Drop time: less than 30ns (1kHz)Symmetry: less than 5% (1kHz)Triangular waveAmplitude: 0-3V at 9V DC inputLinearity: less than 1% (up to 100kHz) 10maColour:As ShownMaterial:Electronic componentsPackage Contents:1 * XR2206 High precision signal generator DIY KitOnly 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.