... /Sunlight 2. For plants, gardens & grass lawn 4-in-1 soil survey instrument4 in 1 soil survey instrument can test moisture of soil, PH ... : AMT-300Test object: Sunlight, Moisture, PH value, TemperatureTest range: Sunlight(9 levels) LOW-, LOW, LOW+, NOR-, NOR, NOR+,HGH-, HGH, HGH ... (Display resolution 0.5)Temperature: -9°C~+50°C (16°F~122°F) (Display resolution 1°C/1°F)Power supply: One 9V ...