4-IN-1 FUNCTION: Test soil moisture, pH value, temperature and sunlight level of the soil, allowing you to know all the important factors of your plant. ACCURATE AND INSTANT: This upgraded soil meter will instantly give you accurate readings of your soil condition, and the digital display gives you the ability to closely monitor your plants. EASY TO USE: Just turn it on and insert it into the soil when you want to use it. It is a convenient gardening tool to use without packaging. INDOOR AND OUTDOOR: Lightweight and compact design makes it a portable tool to use indoors and outdoors, a useful tool for home plants and farm. IMPORTANT USE TIPS: It is only functional for soil and cannot be used to test any liquid. This product will be gradually replaced with new packaging, and the old and new packaging will be shipped randomly.