This meter allows you to test and monitor light levels, moisture and pH of soil. Moisture readings register on a scale from 0 (dry) to 10 (moist), the light readings range from 0 Lux (low light) to 2000 Lux (Very strong light). pH range readings are between 3.5 and 8. This meter can be used indoors or outdoors. No batteries needed.

Soil Moisture 2-Way Meter