ITEM NAME:XR2206 Function Signal Generator Sine Triangle Square Wave 1HZ-1MHZ Kit DIY Gw.Frequency: 1Hz - 1MHz. Flatness: +0.05dB 1Hz - 100kHz. Can produce sine wave, triangular wave, square wave. Waveforms: Square, Sine & Triangle. SINE WAVE TRIANGLE WAVE Distortion: Less than 1% (at 1kHz).