Features:  3 in 1 multifunction soil tester: EC/ TDS/ Temperature testing. EC ranges from 0 to 10000μs/cm, TDS ranges from 0 to 10000ppm, temperature ranges from -50 to 70℃ (-58 to 158℉).  Easy, accurate, fast and steady to use. Put the electrode into soil or hydroponics nutrient which is to be tested.  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 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: Grey & Orange  Main Material: ABS + Alloy  Range:  EC: 0~10000μs/cm (0~10ms/cm)  TDS: 0~10000ppm  Temperature: -50~70℃ (-58~158℉)  Resolution:  EC: 10μs/cm (0.01ms/cm)  TDS: 10ppm  Temperature: 0.1℃ (0.2℉)  Accuracy:  EC/ TDS: ±2%F.S  Temperature: ±1℃ (±2℉)  Power Supply: 4 * LR44 (Not included)  Temperature Compensation: 0-50℃  Item Size: 295 * 38 * 38mm / 11.61 * 1.50 * 1.50in  Item Weight (without battery): 94g / 3.32oz  Package Size: 34 * 4.8 * 4.8cm / 13.39 * 1.89 * 1.89/in  Package Weight: 140g / 4.94oz    Package List:  1 * Multifunction Soil Tester  1 * Small Screwdriver  1 * User Manual (English)