1.Soil PH,moisture,illumination meter 2.Moisture Range:1-10% 3.PH range:1-10 PH 4.Illumination range :0-2000 lux 5.ISO9001 Model: TY-3Moisture range :1-10 %PH range :1-10 PHIllumination of the :0-2000 luxSoil moisture, fertility, PH value, illumination tester Soil moisture, PH, illumination meter