This is a XR2206 Based Function generator DIY kit. PCB and all components are supplied, also provided acrylic case for the kit. This kit will work with 9-12V DC supply through a onboard socket. Frequency is selectable by jumper from 1Hz to 1MHz. Kit outputs Sine wave, Triangular wave and Squire Waveform. Soldering is required to complete and assemble this kit for proper working. 9-12V DC adopter is required to operate this function generator.