Feature: 1. The circuit can generate sine wave, triangle wave, and square wave, the frequency can be from 1HZ‑1MHZ 2. Possess five digit accuracy resolution, equipped with a variety of accessories, enough for your installation 3. Frequency and amplitude is adjustable, frequency adjustment support coarse and fine adjustment 4. Come with wide power supply range, can use external power 9-12V or 9V battery, very convenient 5. All in line components, small number of components, bring simple installation and debugging Specification: Item Type: Signal Generator Kit Voltage Supply: 9-12V DC input or 9V battery (not include) Waveform: Square wave, sine wave and triangle wave Impedance: 600 ohm + 10% Frequency: 1Hz - 1MHz Sine Wave: Amplitude: 0-3V at 9V DC input Distortion: Less than 1% (at 1kHz) Flatness: + 0.05dB 1Hz-100kHz Square Wave: Amplitude: 8V at 9V DC input (no load) 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) 10mA. Package List: 1 x Signal Generator Kit