[4 in 1 SOIL MOISTURE METER + SOIL PH METER + LIGHT METER+ SOIL TEMPERATURE METER ] When you need the Soil Meter? If you're a garden enthusiast and would like to know more about your plants need to thrive. When your plants grow slowly. When the plants looks unhealthy. [Plant Water Meter Power INCLUDED | 1 + 1 9V Carbon-Battery | ]. It can automatic shut down without any operation in minutes. Simple, Quick, Accurate and Save time to test. Please install a battery before using. [3 Steps Use Moisture Meter for House Plants] 1. Just insert the sensor probe into the soil for about 3-4 inches. 2. Switch function keys to Moisture, Sunlight, or pH. 3. Read measured levels of the soil. [Plant Moisture Meter Testing Range] Light Meter for Plants Range: (LOW-, LOW, LOW+, NOR-,NOR, NOR+,HGH, HGH-,HGH+) Plant Moisture Meter Range: (DRY+, DRY, NOR, WET, WET+). Soil PH Tester Range: 3.5-6.5(Low), 7.0(Neutral), 7.5-9.0(Alkaline). You can also use it as a Soil Thermometer to measure the temperature of the soil. [HSLGOVE Customer Support] Please check the soil test kit before using. If have found damaged, please contact us, we will send you a new free or issue a full refund. HSGOVE committed to providing quality products and satisfactory shopping experience service for our customers. You can shopping it with confidence, as we offers 24 months warranty and 30-days return guarantee without question ask.