Features: 1. Made of high quality material, durable to use. 2. Lightweight and small size, portable to carry. 3. 3-in-1 function, can be used to test moisture, pH and light, convenient to use. 4. Comes with a probe, easy to use and read the scale. 5. No batteries required, good helper in gardening, suitable for soil moisture, pH and light testing. Specification: Material: plastic Size: Ok. 26x8.8x6 cm or 10.2x3.5x2.4 inch Probe length: Ok. 17 cm or 6,7 inch Weight: Ok. 98g or 3,5 oz Instructions: 1. When measuring soil pH and moisture, first insert the probe into the soil as deep as possible. (above 10cm) 2. Move the button to MOIST, MOIST is the humidification button. The right table is DAMP, DRY is dry, WET is wet. A value of 1-3 (red part) indicates the need for watering, 4-7 (green part) is suitable, 8-10 (blue part) is too wet. Please adjust the watering time according to the variety of plants. 3. Press the button on PH, PH is the pH button. The corresponding table ma value 8-3,5, RULES are the principle, ACID is the acid. The value of 7 is basically neutral, the smaller the number, the higher the acidity. Please adjust the acidity and alkalinity of the soil to the plant species. 4. The LIGHT button is the illuminance. The measuring range is 0-2000 lumens. The greater the value, the stronger the lighting. Please decide whether shading is necessary depending on the variety of plants. 5. When using it, be careful not to touch the stone when inserting the electrode. Do not use too much force, otherwise it is easy to damage the electrode. Wash the electrode after use. soil pH: andlt 4,5 extremely strong acid 4,5-5,5 strong acid acid 5,5-6,5 6,5-7,5 neutral Fundamentality 7,5-8,5 8,5-9,5 strongly alkaline 9,5 very strongly alkaline List of packages: 1 x tester soil Note: 1. 2. Please take the real one as standard. 3. Before inserting the soil, moisten it with water. The probe should be driven into the soil to a depth of 2 or 3 (above 10CM).