Note:The product can support Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish，pls contact us if you have any question ,thanks Hi,Let's learn how to calibrate accurately       This is an easy-to-use instrument to test the water quality of drinking water, aquarium, hydroponics, swimming pool and so on. It's multifunctional and can test PH/ EC/ TDS/ SALT/ G.S/ Temperature. Besides, it's supports APP remote control, which makes it more convenient to monitor anytime anywhere.  6 in 1 Multifunction Tester: PH/ EC/ TDS/ SALT/ G.S/ Temperature, short press the "MODE" button for easy switching. Temperature unit switchable: ℃/ ℉.  It supports APP remote control, more convenient to monitor the water quality tester anytime anywhere. You can also create smart scene and set alarm value in the APP.  Digital screen with backlight greatly enhances reading experience. And it supports automatic data storage, save data for 30 days in the APP.  Easy, accurate, fast and steady to use. With wide range: PH ranges from 0.00 to 14.00, EC ranges from 0 to 19000μs/cm, TDS ranges from 0 to 19990ppm, etc.  Water quality analyzer can be used to distinguish between drinking water and non-drinking water, and can test the water of aquarium, hydroponics, swimming pool, pond, lab, etc.  Compact and space-saving, with 2 suction cups and a plastic wall bracket for easy installation. Please clean the electrode with distilled water and dry it well before use. Voltage & Plug: 230V EU Plug/ 110-120V US Plug (Optional) Color: Grey Material: ABS Range: PH: 0.00-14.00PH EC: 0-19000μs/cm, 0-199.0ms/cm TDS: 0-19990ppm, 0-199.0ppt SALT: 0-199.9ppt, 0-20% S.G: 0.990-1.400 Temperature: 0-50℃ (32-122℉) Resolution: PH: 0.01PH EC: 1μs/cm (＜1000μs/cm), 10μs/cm (＞1000μs/cm), 0.1ms/cm TDS: 1ppm (＜1000ppm), 10ppm (＞1000ppm), 0.1ppt SALT: 1ppm (＜1000ppm), 10ppm (＞1000ppm), 0.1ppt, 0.01% S.G: 0.001 Temperature: 0.1℃ (0.2℉) Temperature Compensation: 0-50℃ APP: Compatible with Tuya Smart Item Size: 130 * 77 * 26mm / 5.12 * 3.03 * 1.02in Item Weight: 167g / 5.89oz Package Size: 24 * 20 * 5.5cm / 9.45 * 7.87 * 2.17in Package Weight: 819g / 1.80lbs UK Plug: 240V EU Plug:220-230V US Plug:110-120 V 1 * Multifunction Water Tester 2 * Suction Cup 1 * Wall Bracket 1 * Adapter 1 * User Manual (English) 1 * Carry Case