90 Rotating HeadThe soil moisture meter has 90 rotating head, so you can adjust the head to the proper angle suitable for your reading, which allows you to read the data without bending down and lowering your head. It is a good choice for the elderly and those with poor lumbar spine. 4 In 1The soil tester can test soil moisture, sunlight, nutrient, and PH, which allows you to take care of your plants better. This soil tester will help you to choose where to plant your flowers, when to water, when to fertilize, and if the acidity and alkalinity of your soil need to be adjusted. Precision & InstantCompared with a double prob soil tester, the single probe can reduce the damage to plant roots when inserted into the soil. A high-quality sensing probe ensures accurate and instant testing results, and it can withstand complicated soil environments, so you can insert it into any soil. Easy To UseSimply push the button to switch the test mode, then insert the probe at least 2.5 inches into the soil, wait 1-2 minutes, and the pointer will move to the appropriate position. The instrument panel has a clear and accurate scale for easy reading.