Honey (liquid) filling level indicator – designed to control the filling of honey (or other liquid) into a container, used to avoid honey leakage over the edges of the container.
The device uses an electronic circuit with a high amplifier, the sensitivity of the response allows you to work even on settled honey.
The device signals the filling of liquid with a sound signal in the event that the liquid touches two electrodes at the same time.

The battery is not included