Klein is a big name in electrical, and the affordable Klein ET300 circuit breaker finder doesn’t disappoint. For about $30, this popular model calibrates quickly and emits a clear, loud tone and ...

This acupunture point locator circuit is used to locate the sensitive acupuncture points location on the human body. Acupuncture belongs to the traditional alternative medicine. This healing method ...

This 3 volt Lithium cell operated LED flasher can be used as a keyhole finder in darkness or to find your door keys. A small lithium button cell can power the circuit more than 6 months continuously ...