Item Type: XR2206 High Accuracy Signal Generator Voltage: 9-12V DC Waveform: Rectangle, Sine, Triangle Impedance: 600ohm10% Frequency: 1Hz-1MHz Sine Wave: Amplitude: 0-3V at 9V DC input Distortion: less than 1% Flatness: 0.05dB 1Hz-100kHz Square Wave: Amplitude: 8V (no load) at 9V DC input Rise time: less than 50ns (at 1kHz) Fall time: less than 30ns (at 1kHz) Symmetry: less than 5% (at 1kHz) Triangle Wave: Amplitude: 0-3V at 9V DC input Linearity: less than 1% (up to 100kHz) 10mA1Can generate sine wave, triangle wave, square wave with frequency 1HZ?1MHZ, and the frequency and amplitude are adjustable. 2The signal generator has a five?digit accuracy resolution, and the frequency adjustment has coarse and fine adjustments. 3Function Generator has a wide power supply range, can use external power 9?12V or 9V battery. 4All are through hole components, the number of components is small, easy to assemble, easy to debug. 5The signal generator is made of PCB material, durable, you can assemble it by yourself and enjoy the fun. 6 x Acrylic Board Shell Splicing Piece 1 x Screw Pack 1 x PCB 3 x Knob 3 x Potentiometer 2 x Green Accessories 1 x Blue Accessories 5 x Metal Film Resistor 5 x Ceramic Capacitor 3 x Capacitance 1 x Socket 2 x Pin Header 2 x IC Socket 1 x Manual