Convenient to use, easy to operate, solid quality. Could test soil pH and soil fertility. It is lightweight and portable, suitable for indoor and outdoor use. Battery is not required; Easy to use. Ideal soil testing tool kit for flowers, vegetables, gardens, potted plants, lawn and farm. Functionality: Convenient to use, easy to operate, solid quality. Could test soil pH and soil fertility. It is lightweight and portable, convenient for indoor and outdoor use. Battery is not required; Easy to use. Ideal soil testing tool kit for flowers, vegetables, gardens, potted plants, lawn and farm. Usage Method: 1. Measure the pH of the soil by penetrating into the soil as deep as possible and probing the upper part for about 1 cm. 2. In the table, the numerical value is 2.5-9, the basic numerical value 7 is neutral. The smaller the number, the higher the acidity. Please adjust the pH of the soil according to the plant variety. < p>3. Please be careful to insert the electrodes without touching