4 in 1 — You can measure soil moisture(5 levels), temperature(16°F to 122°F), PH Value(3.5 to 9.0) and sunlight intensity(9 levels). Easy to operate — You only need to plug one 9V battery, remove the protective cover on the probe, turn it on and insert the probe straight up and down softly. Precise accuracy — Fast response time to get precise measurement, easy to read the soil moisture, temperature, ph and sunlight intensity. Large and green backlight LCD screen — Easily displays various readings with the large and green backlight LCD screen. Power saving — Power with one 9V Battery (Excluded),low battery indication and auto power off without operation after 5 minutes.