4 in 1 COMPREHENSIVE MAINTENACE: 4-IN-1 soil tester with Soil Moisture Meter/Soil pH Meter/Fertility Meter/Light Meter. It can meet your needs for measuring soil pH, soil nutrients, sunlight &soil moisture level with a single button. The accurate results can be displayed clearly on the oversized dial immediately. Then you can adjust the moisture & nutrient supply based on the soil test results, balance the soil ph of soil, and make them grow vigorously and healthily..PLUG& READ, NO BATTERY REQUIRED: This 4-in-1 soil ph tester does not need batteries and is upgraded with a durable single soil tester probe which less hurts the roots, and can detect complex soil conditions(mixed-soil), can widely use for indoor&outdoor garden, and all stages of Organic-gardening/Ornamental-Landscapes/small-trees/composting/pots, etc, You can buy one to understand more about your soil and enjoy the planting and harvest..DESIGN PATENTED US - CREATIVE 1.95" LARGE DIAL DESIGN: The soil ph meter for soil testing has a 1.95“ oversize dial, which is bigger than the traditional soil hygrometer. Suitable for both young &old growers, every soil tester is packed well with a color-designed box, you can deliver it to your loved ones who have a passion for gardening, on birthdays/anniversaries/holidays, or housewarmings..MORE ACCURATE & EASY TO USE: Using the latest soil sensor detection technology, this soil moisture tester is more accurate in testing soil fertility/pH content. Simply insert the soil tester into soil 2.5-3 inch & read the results immediately. Allows you to quickly& accurately understand soil conditions & easily determine when to Watering, Fertilizing & Controlling soil pH, helping you to grow your garden scientifically, then create your own lush, beautiful indoor &outdoor garden landscapes..EASY STORAGE & WORRY-FREE SERVICE: Soil moisture meter for plants has a 90-degree bendable portable design, when you are not using it, you can put it in a storage box or put it in the drawer. AiGerdinn provide a 365-day warranty, a 30-day full refund, and 24-hour friendly customer service. Please feel free to contact us if you have any issues with the 4-in-1 soil moisture meter. We will send you a new replacement or a full refund.