4-In-1 Soil Tester: Monitors Sunlight (9 Levels), Soil Moisture (5 Levels), Soil Ph (12 Levels) And Temperature (C And F)To Keep Healthy Plants: 4 Main Factors That Affect Your Plants Are Now Under Your Control. This Soil Tester Will Help You Choose Where To Plant Your Flowers, When To Water, And Whether Your Soil'S Acidity And Alkalinity Needs To Be Adjusted.Instant Playback: Insert The Tester Into Soil And Get To Know Its Condition In A Few Seconds. Say Goodbye To Ph Paper And Color Chart.Easy To Use: Everything Is Easy To Read On Its Large Lcd Display And Green Backlight. The 20 Long Probe Allows You To Reach The Deeper Soil That Is Close To The Roots.Indoor And Outdoor: Garden Or Pots, Flowers Or Lawn Grass, Vegetables Or Fruits, With This Tester You Can Master The Art Of Botany.