General description 3 in 1 Soil Tester is a versatile tool designed to measure soil moisture, pH, and sunlight levels, making it ideal for flowers, grass, plants, gardens, and farms. This lightweight and portable device requires no batteries, allowing for convenient use both indoors and outdoors. Technical specifications Type: 3-in-1 Soil Tester (Moisture, pH, Light) Power: No batteries needed Probe insertion depth: 2-4 inches Usage Insert the sensor probe into the soil about 2-4 inches deep. Flip the switch to select the measurement type (moisture, pH, sunlight). Wait a few minutes for the pointer to stabilize for an accurate reading. Do not use for testing water or other liquids. Avoid inserting the probe into hard ground or areas with stones. Clean the probe after use and do not leave it in the soil for more than an hour.