... :Name: 4 in 1 Soil Survey InstrumentType: AMT-300Test object: Sunlight, Moisture, PH value, TemperatureTest range: Sunlight(9 levels) LOW-, LOW, LOW ... , NOR+,HGH-, HGH, HGH+Moisture(5 levels): DRY+, DRY, NOR, WET, WET+PH value(12 levels) : 3.5~9.0 (Display resolution ... 0.5)Temperature: -9°C~+50°C (16°F~122°F) (Display resolution 1°C/1 ...