This machine is a multifunctional electronic digital display soil analyzer. It is a widely used soil planting measuring device. Primarily test ambient floor light. Environmental hygrometer. soil moisture content. ground temperature value. Soil pH, use a 9V battery. The aluminum alloy probe is long enough to adapt to various soil environments. The operation is simple, and the parameters are displayed on the large screen, simple and clear. At the same time, it has a lower power display reminder, the product is small and exquisite, suitable for ergonomics, saving time and energy. Easy to carry and improve efficiency. Suitable for flower planting, landscaping, vegetable planting... Features: Interface widescreen digital display Aluminum probe long enough to fit various floor environments Function of Convenient temperature metric conversion Low power reminder function Power-saving auto-off function: automatic shutdown for 5 minutes without any operation Product Description: Please install the battery and remove the battery cover. probe before use 1. light measurement A. Press the "ON" button to turn on the instrument. b. Align the highest point light source photosensor window. C. The current light intensity will be displayed on the LCD screen. Noticed : Please do not block Block the light or create shadows on the light sensor. 2. pH range measurement a. Press the [ph/”c] button on the back of the ph position. b. Insert the probe vertically into the ground and test as soon as possible. c. Press the [ON] button to start the measurement. d. The pH value of the test will be displayed on the LCD screen. e. Take several measurements to get the precise value you want. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the light and display difference, there there will be some color difference, depending on the physical object received Delivery Quantity: (according to the main image)