4-in-1 Soil Survey Instrument, flowers and grasses planting, garden virescence Test range:Sunlight (9 levels): LOW, -LOW, LOW+, NOR-, NOR, NOR ... +, HGH-, HGH, HGH+Moisture (5 levels): DRY+, DRY, NOR, WET ... , WET+PH value (12 levels): 3.59.0 (display resolution 0 ...