Feature: 4 in 1 Soil Survey Instrument for plants and lawns Measures sunlight (9 levels),soil moisture (5 levels),soil pH (12 levels)and temperature (°C & °F) Simply insert the meter into the soil, switch to the setting you want to measure and read the scale Fast and precise measurements Ideal and necessary tool for gardeners, vegetable and fruit growers, and all those who plant trees and grass. You can take good care of your plants. Auto shut power off For outdoor & indoor plants, gardens & grass lawn. Survey light intensity of current environment Backlight feature 8 inch / 200mm long probe Color: Black + Yellow Material: Plastics and stainless metal Great tool to help fix your lawn when grass does not want to grow in certain areas of your yard Test range: Test object: Sunlight、 Moisture、 PH value、 Temperature 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 (Display resolution 0.5) Temperature: 9~+50°C (16~122°F) (Display resolution 1℃/1℉) NOTE: To avoid damaging the electrode, please clean the electrode after each use, do not use in soil with stones and insert forcibly. Package: 1x4 In 1 Digital pH Moisture Sunlight Soil Meter 1xProtective cover of sensor 1xInstruction Manual