Fangrui Product Details This Device Is Only Suitable For Testing Soil, Which Can Meet The Soil Testing Work Of Various Gardening And Planting Sites. It Can Assist In The Comprehensive Care Of Various Flowers And Plants. For Example: Greenhouse Planting, Orchard Nursery, Horticultural Planting, Potted Planting, Etc.. (1) Using A Large-screen Lcd, One Screen With Multiple, Display Interfaces. (2) Lcd Backlight Auxiliary Lighting For Easy Reading. (3) Celsius And Fahrenheit Display Conversion. (4) If There Is No Operation On The Interface For , It Shut Down To Save Power Automatically. 5 In 1 Soil Tester Fertility Moisture Temp Sunlight Ph Meter Plant Measuring Instrument For Flower Plants Garden Greenhouse Product Name: Digital Display Soil Detector Executive Standard:ce/rohs Power Supply: 3 Aaa Alkaline Batteries(not Included) Measuring Functions: Fertility/moisture/ph/temp/sunlight Function Range: Fertility: Low, Normal, High Moisture: 0- Ph:3-9 Temp:0-60c (32f-140f) Sunlight: Low-,low, Normal, High,high+ Steps For Usa