Soil moisture sensor with alarm for plants

The sensor is inserted into the soil and the level at which the plants must be watered is set by pressing the button.

When this level is reached, the sensor emits an audible alarm reminding you that the plants must be watered.

It also has a built-in light sensor so as not to disturb the noise emitted during the night.

Dimensions: 140*15mm

Power supply: 3V CR2032