Product description Material: Plastic + Metal Colour: Black Total length: 28.5*6.4*3.5CM Probe size: 20CM Power supply: 9V battery (not included) PH measurement range: 3.5-9.0 Package content: 1*4 in 1 soil tester 1.4 in 1 Digital Soil Tester The 200mm probe is used to measure soil moisture and pH value, but can also be used to measure sunlight and temperature to accurately analyse soil condition. 2.Easy to UseInsert 2/3 of the probe into the soil, and then switch the switch to humidity, light or pH. It is very convenient to use. Wait about 5 minutes to get a more accurate and stable reading. 3.DurableThis soil moisture pH meter is strong and durable with accurate results and does not pollute hands or clothes. No other auxiliary reagents need to be used during testing. Insert the probe into the soil for 10 minutes, saving time and energy with high efficiency. 4.Fast readingThis soil tester moisture pH temperature sunlight contains a low power reminder and an automatic shut-off function. Small size, reliable performance, easy operation and quick and accurate measurement. 5.ApplicationThis soil test kit for pH humidity, sunlight temperature is a powerful assistant for planting flowers and gardens. It is a perfect tool to test the soil conditions of plants, fruits, flowers, vegetables, shrubs etc. indoors and outdoors.