JUST FOR SOIL-- Our soil tester CAN ONLY be used in soil, please Do not test pure water or any liquid with it.3-IN-1 FUNCTIONS-- The soil meter can test soil moisture, PH value and sunlight intensity, it makes easy when you take care of plants.ENVIRONMENTAL FRIENDLY-- No batteries or electricity needed, super easy to use, plug and read, save your money, and protect environment.INDOOR & OUTDOOR USE-- The soil test tool with lightweight and portable design is super useful for know when to water for your plants in garden, lawn and farm.HIGH QUALITY SOIL TEST KIT& CUSTOMER SERVICE-- The soil test kit with double-needle probe gives you more accurate and reliable data. And we offer 1 year of replacement service with your purchase! give you a perfect shopping experience.