2 in 1 pH meter and moisture meter: to test soil pH and soil moisture accurately and quickly. No batteries required, easy to use: Simply insert the probe into the soil near the root to a depth of approximately 3/4 of the length of the probe if the soil is deep enough. Show humidity/pH value of meter display: helps you determine when plants need watering or adjust pH. User-friendly design: Unique probe designed for testing soil pH value and moisture level, the tester and probe are separable and they are connected by a telephone cord which can be stretched up to 1 meter. Made with good quality materials: The test unit is made of a nice ABS, which is rust-proof, lightweight but durable, and there is a belt clip on the back for portability.