[4 in 1 function]: With the help from our 4 in 1 soil tester, you can measure soil moisture, pH, temperature and sunlight intensity of plants to help you take better care of flowers and plants. [Accuarte and Durability]: 2021 Upgraded needle detection technology strongly enhances the speed and accuracy of detecting. Help you specialize in planting. [Large LCD Display & Backlight]: With a large LCD screen to easily display a variety of readings, and a green backlight allows you to read parameters in dark conditions. [Wide range of applications]: Both indoor and outdoor can be used. The plant measuring instrument designed with light weight can be used for your garden, farm, potted plants, succulent plants, etc. The upgraded 8.07 inch probe can also be used for your large potted plants. [Easy to use and carry]: With small size, easy to use and carry. Just simply plug the probe into the soil about 4 inches, wait 10 seconds to read intuitive data. Remove probe from the soil and wipe it clean after using. Justmetr 5 in 1 soil tester, help you take better care of flowers and plants. Is life challenging your green thumb by slowing down the growth of your plants? Justmetr SOIL TESTER is designed to better know your soil - lighting, moisture, soil pH value and temperature. With this device, youll will be always in the know of what conditions your plants need to finally thrive. Product Features: Ambient light: 9 LEVEL Soil PH: 3.5-9 Temperature: -9-50C (16-122F) Moisture: 5 LEVEL Size: 12.5in * 2.3 in*1.7in increments: 0.5 How to use this soil tester? Step 1: Take off the red cover in the end of the probe, and turn on the tester. Step 2: Stick the probes into the soil 3-5 inches Step 3: Adjust the position of the probes until the tester is fixed in the soil to be tested. Step 4: Read the data of Moisture/pH/Light Level/Temperature in the dial about 10s. Push the switch at the back to pH or position as needed. Step 5: Remove probes from soil and wipe clean after each use. Note: DO NOT put the item in the liquid to test. Please note that when measuring the light, do not block the light sensor on the top of the meter. If the soil is too dry and can't get the PH values, please pour some water and test again after 30 mins.