Professional 4-in-1 LCD Temperature Moisture Sunlight Ph Garden Plant Soil Tester Meter (1x Soil Tester) 4 in 1 Soil Survey Instrument for plants and lawns 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. Survey light intensity of current environment Auto shut power off 8 inch / 200mm long probe