Description 5 in 1 Flower Pot Soil Tester, PH Detector, Humidity/Light/PH/Temperature Specifications: Name: 4 in 1 Soil Tester ( humidity/light/PH/temperature) Product size: about display screen 95*57*27mm/3.74*2.24*1.06in, full length 317mm/12.48in, probe 205mm/8.07in Working temperature: +5~+40 Power battery: AAA15V batteries Measure the light intensity of the current environment: LOW- LOW LOW + NOR- NOR NOR + HGH- HGH HGH + Measure soil moisture. Measure soil temperature, range of Temperature measurement: -9+50(16122F), accuracy 1/1F. Measure soil pH, pH value range: 3.5-9.0. Measure soil moisture, percentage of TEM content. How to use this soil tester Step 1: Install batteries, turn on the tester and select PH or C on the back. Step 2: Insert the probe into the soil about 3-5 inches . Step 3: Adjust the position of the probe until the tester is fixed in the ground for testing. Step 4: Read the test values from humidity/pH/light/temperature on the display screen. Choose the pH or on the back according to your needs. Step 5: Remove the probe from the soil and wipe it clean after each use. Packing list: Soil tester*1 (without batteries) Manual*1