PORCHES & DECKS CAB Signal Generator Engineering Kit with Circuit Diagram (No Soldering Required). The Signal Generator kit output sine wave, triangle, and square waveforms. The signal frequency is about 1 kHz. Safe! Fun! Educational! Complete with solderless breadboard, components, schematic, and breadboard layout. Note: Step by step instructions are not included use the included parts list to identify the components and assemble according to the included circuit diagram. Jumper wire not included (breadboard accepts 21 to 26 AWG wire) Requires a 9V battery for operation (not included)