Features: 4 in 1 Soils Tester: Measures soils moisture, temperature, pH and light. Accurately and Reliable: With upgraded detection technology, the sensitive probe will quickly provide you with accuracy data. LCD green backlight: large numbers, easy to read even in the dark with backlight WIDE APPLICATION: Ideal soils testing tool for home, garden, lawn and farm plants. Easy to Operate: The soils PH meter is powered by a 9V battery (not included), which is convenient for indoor and outdoor use. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Soils temperature: -9 DegreeC~50 DegreeC Power supply: 1*9V battery (not included in shipment) Test range: light intensitys, ambient humidity, soils temperature, pH value Package List: 1x4 in 1 Soils Tester