Please note: the pH function of this soil tester cannot be applied to test the pH value of any other liquid 3-IN-1 FUNCTION: Test the soil moisture, PH value and sunshine level of the plant with our soil tester, quickly help you specialize in understanding when you need to water your plant, control the pH value in the soil and whether it is getting adequate sunlight.UPGRADED AND IMPROVED: Our professional research team spent two years researching the improved mould. Improved probes and enhanced detection technology ensure faster, more accurate readingsLARGE SCREEN: The large screen makes readings clearer and more convenient than ever. Expanded screen space improves reading experience and accuracy INDOOR AND OUTDOOR USE: Lightweight and portable design, easy to carry for outdoor use, ideal soil test tool kit for home plants, garden, lawn and farm