EASY SERVICE Each plant species requires a substrate with different characteristics, some species prefer acidic, others alkaline soils. From now on, you can easily assess whether the soil for growing plants meets their requirements. The meter is especially useful in autumn and spring, when the most sowing, transplanting and many other works are carried out in gardens.4 FUNCTIONS IN ONE DEVICE 4w1 acidifier is a device combining many useful functions: Convenient monitoring of soil response thanks to long probe and clear backlit display. li>Determination of the earth temperature thanks to the thermometer integrated in the probe.The convenient meter will also allow you to determine the degree of soil hydration! Thanks to the indications on the display (LOW hoppers HIGH, high) you can determine whether the soil has the right humidity for a given species.The sun sensor is an additional convenience, thanks to which you can find out whether the right amount of light reaches the selected place for cultivation. TECHNICAL PARAMETERSpH measurement scale: 3,5-8Moisture measurement scale: DRY WET Dimensions: 3,5cm x 6cm 33cmWeight: 100gSoil temperature measurement scale:-9,50Sunlight measurement scale: LOW HIGH