Feature: 1. MOBILE APP MONITORING: A 24 hour online monitoring tool, the app is compatible with both for iOS and for Android operating systems. Switch the phone language and region to automatically convert different recorded data on the APP 2. 8 IN 1 WIFI ONLINE WATER QUALITY TESTER: S.G pH EC SALT ORP TDS CF TEMP 8 parameters, online wireless remote monitoring, real time data reception, data automatically stored and saved after 30 days 3. WIFI CONNECTION AND DATA TRANSFER: Download the for Tuya Smart APP and enter your account. Realize real time monitoring on mobile phone. Real time data detection Click pH to view details, view date(day), week(week), month(month) 4. WIRELESS WIFI REMOTE MONITORING: Connect mobile APP, support multi parameter test, automatic arm, automatic correction, automatic data storage, save data for 30 days 5. WIDE RANGE OF APPLICATIONS: Ideal for aquariums, hydroponics, laboratories, spas, swimming pools and other water quality testing programs and monitors Specification: Item Type: Multi Parameter Water Quality Tester Material: ABS 8 In 1: S.G PH EC SALT ORP TDS CF TEMP Range: PH: 0.00-14.00pH ORP: -2000mv - +2000mv EC: 0-19000us/cm 0-199.0 ms/cm CF: 0-1999.0CF 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 ORP: 1mv EC: 1us/cm (1999us/cm); 0.1 ms/cm CF: 1CF TDS: 1 ppm (1999ppm); 0.1 PPT Salt: 1ppm (1999ppm); 0.1 PPT 0.01% S.G: 0.001 Temperature: 0.1℃(0.2℉) Accuracy: PH: ±0.03pH ORP: ±5mv EC, CF, TDS, SALT: ±2%F.S Temperature: ±1.0℃ Battery: DC6V Temperature Compensation: 0℃-50℃ Operating Temperature: 0℃-50℃ Product Size: Approx. 152 x 80 x 26mm / 5.98 x 3.15 x 1.02in. Package List: 1 x Water Quality Detector1 x Plug2 x Electrode1 x Connecting Wire1 x Support2 x Suction Cup1 x User Manual Note: 1. The Electrode Must Be Recalibrated: Not calibrated for a long time. Regular and long term continuous use. High accuracy is required.2. The tester is not waterproof, do not let the instrument water or damp during use, otherwise may lead to the unnormal use of the instrument.