This electronic kit turns a sound alarm on when water is present. Uses an LM555 timer IC to generate the tone. When any moisture is present on the sensor PC board, it causes the circuit to oscillate. All components and assembly instructions are included.

This is an electronic kit that requires soldering iron for assembly. Typical configuration shown. Manufacturer may substitute certain parts preserving functionality of the kit. Please note that this kit is developed by another company and therefore we do not provide any additional technical support.