This is an easy-to-use instrument to test the salinity in soil, solution media and so on. It has alloy probe and is accurate and fast, can be widely used in greenhouse, farm, garden, orchard, etc. Features: Easy, accurate, fast and steady to use. Put the electrode into soil or hydroponics nutrient which is to be tested. High or low EC range switchable: slide the "ms or μs" switch to change between 0-10.00ms or cm and 0-1999μs or cm. Digital screen with backlight, greatly enhances reading experience, 4 LR44 batteries powered (not included). Easily measure soil salinity in greenhouse soil or solution media right on the spot with this portable soil EC meter. Compact and lightweight, easy storage and portability. Please clean the electrode with distilled water, and dry the electrode with filter paper. Note: Please read the user manual carefully before use. Specifications: Main Color: White Main Material: ABS and Alloy Range: LOW: 0-1999μs or cm HI: 0-10.00ms or cm Resolution: LOW: 1μs or cm HI: 0.01ms or cm Accuracy: ±2 percent F.S Power Supply: 4 x LR44 (Not included) Temperature Compensation: 0-50℃ Item Size: 215 x 50 x 28mm or 8.46 x 1.97 x 1.10in Item Weight (without battery): 62g or 2.19oz Package Size: 23 x 9.5 x 6cm or 9.06 x 3.74 x 2.36in Package Weight: 145g or 5.10oz Package List: 1 x Soil EC Meter 1 x Small Screwdriver 1 x User Manual (English) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.