This is an easy-to-use instrument to test the PH/ Moisture/ Temperature of soil. It's accurate and fast, can be widely used in greenhouse, farm, garden, orchard, etc. Powered by 2 AAA batteries, it clearly displays values in the digital backlight screen. Features: 3-in-1 multifunction soil tester: PH/ Moisture/ Temperature testing. PH ranges from 2.0 to 8.5, relative moisture from 1% to 84%, temperature from -10 to 60 . Digital screen with backlight, clear at a glance, easy to read even in dark environments. Press "MODE" button to switch between PH/ moisture/ temperature testing; / unit switchable. Easy, accurate, fast and steady to use. Insert the probe (about 150mm) vertically downward into soil, allowing the wet soil to contact with it loosely, never pressing it too hard. Compact and lightweight, easy portability. Widely used in agriculture production, fruit seedling, garden planting, soil research, greenhouse, farmland, orchard and more. Powered by 2 AAA batteries (not included), auto shutdown after about 5min idle time to save power. Factory calibrated, no additional calibration required. Note: 1. Please read the user manual carefully before use. 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Orange & Black Material: ABS + Metal Screen: Digital Display with Backlight PH Measuring: Range 2.0-8.5, Accuracy ±0.2, Resolution 0.01 Temperature Measuring: Range -10~60, Accuracy ±1.5, Resolution 0.1 Humidity Measuring: Range 1%-84% RH, Accuracy ±4% RH, Resolution 0.1% RH Temperature: / Switchable Work Temperature: -10~60 Power Supply: 2 * 1.5V AAA Battery (Not included) Work Temperature: -10~60 Item Size: 263 * 65mm / 10.35 * 2.56in Probe Length: 210mm / 8.27in Item Weight (without battery): 111g / 3.90oz Package Size: 28.2 * 7 * 7cm / 11.10 * 2.76 * 2.76in Package Weight: 175g / 6.17oz Package List: 1 * Multifunction Soil Tester 1 * User Manual (English)