... garden virescence.SPECIFICATIONS: Name4 in 1 Soil Survey InstrumentTest objectsSunlight, moisture, pH value, temperatureTest rangesunlight(9 levels)LOW-,LOW,LOW+, ... the unit.C. TEST PROBE------can test PH value,moisture and temperature.D. LIGHT SENSOR WINDOW------can induct sunlight ... means the value is beyond the measurable range.D. Moisture display area------5 levels: DRY+,DRY,NOR,WET,WET+,each ...