Features 1、Single Pin Design: Plant thermometer with single pin design, little damage to plant roots, and not too much soil after detection. 2、High Accuracy: The sensing probe is professional and accurate, high accuracy detection, suitable for indoor or outdoor use. 3、Easy to Read: High definition backlit digital display screen, plug and read, quick response, easy to read, convenient operation. 4、Simple Operation: Just insert the probe of the plant water meter into the soil about 2 to 4 inches, you can get the soil moisture immediately, simple and clear color distinction, easy to use for the elderly. 5、Perfect Gift: A super useful tool for your garden, yard, lawn, farm, indoor plants, etc. It is the best gift for friends and family. Specification Item Type: 4 in 1 Soil Meter Material: Plastic Measurement Range: Fertility, PH, Moist Power Source: A 9V Dry Battery (Ship with Inbuilt Battery) Battery Capacity: 200mAh Soil Temperature: -9℃ to 50℃ (Minimum Display 1℃) Operating Temperature: 5 to 40℃ Auto Shutdown: No Operation for About 5 Minutes Backlight Off: No Operation for About 1.5 Minutes Measuring range: Illuminance (9 stages) LOW-, LOW, LOW+, NOR- NOR, NOR+ HGH- HGH, HGH+; Soil Moisture (5 stages) DRY+, DRY, NOR, WET, WET+; Soil Acidity (14 stages) PH3.5-9.0, Minimum Accuracy PH0.5 Size: Approx. 322 x 63mm / 12.7 x 2.5in Package List 1 x 4 in 1 Soil Meter 1 x Dry Cell