This is a 4-in-1 digital meter for soil moisture, pH and temperature, and light tester. It has a sensitive 200mm probe and light sensor window provides 5 units of accurate & precise measured results, pH, moisture, sunlight, °C & °F (soil & environment). An important instrument for lawn care to determine soil conditions in different areas of the garden and finding correct grass seed. Features: Measures sunlight (9 levels), soil moisture (5 levels), soil pH (12 levels) and temperature (°C & °F) 200mm long probe Auto power off Survey light intensity of current environment Fast and precise measurements High accuracy Backlight feature Low battery indicator Specifications: 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): 3.5~9.0pH Temperature: -9~50°C (16~122°F) Resolution: Temperature: 1°C/1°F pH: 0.5pH Set Includes: 1 x 4-in-1 Soil Survey Instrument 1 x 9V Battery (FREE) English Instruction Manual Standard factory packaging