This 3-in-1 moisture, ph and light meter with easy to read scale could save you a lot stress. Using this scientifically accurate measuring water moisture testing device you can be sure your soil moisture and ph is maintained at the right levels. You can also monitor that your plants are getting enough light. Technical details : 3 in 1 mutifunctional moisture, ph and light meter. Sensor suitable for all types of soil farming solution for agriculture . Simply insert probe of the meter into the soil, switch to the setting you want to measure and read the scale. No battery required, simple and convenient to use. Helps you ensure correct balance. Ideal garden tools for both indoor and garden plants care.