Product Description The 4-in-1 soil survey instrument can test moisture, PH value, temperature and sunlight intensity via a 200mm (8in) probe and a light sensor. The unit can easily display various readings with the large LCD screen, both day and night. Additionally, the unit offers a low battery indicator and an auto power off function. The S20 is a high efficiency product and is energy-saving. It ensures and maintains the health and quality of your greenery. Specifications -Test objects: Sunlight, moisture, PH value, temperature -pH measurement range: 3.5-9.0 (display resolution 0.5) -Soil temperature measurement range: -9℃ +50℃(16℉ - 122℉)(display resolution 1℃/1℉) -Power source: one 9V battery (included) -Working current: -Operating temperature: +5℃ +40℃ (41℉ - 104℉) -Working humidity: 5% - 95% RH non-condensing -Storage condition: -20 +50, 85%(humidity) -Weight:73g Package list 1 X 4-in-1 soil tester 1 X User manual
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