Quickly and accurately get the information you need for optimal plant growth! No more guessing. With just a couple of touches of this high-tech meter, you’ll know the current ph, fertility (N-P-K), and temperature reading of your soil. Bold, easy-to-read digital numbers. Convenient corded probe for testing. Includes complete guides and directions for changing soil temperature, ph and fertility levels to achieve maximum results for a wide range of most popular plants. Batteries included.