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 APP2. 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 days3. 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 days5. WIDE RANGE OF APPLICATIONS: Ideal for aquariums, hydroponics, laboratories, spas, swimming pools and other water quality testing programs and monitorsSpecification:Item Type: Multi Parameter Water Quality TesterMaterial: ABS8 In 1: S.G PH EC SALT ORP TDS CF TEMPRange: PH: 0.00-14.00pHORP: -2000mv - +2000mvEC: 0-19000us/cm 0-199.0 ms/cmCF: 0-1999.0CFTDS: 0-19990ppm 0-199.0pptSalt: 0-199.9ppt 0%-20%S.G: 0.990-1.400Temperature: 0-50℃(32℉-122℉)Resolution: PH: 0.01PHORP: 1mvEC: 1us/cm (<1999us/cm); 10us/cm (>1999us/cm); 0.1 ms/cmCF: 1CFTDS: 1 ppm (<1999ppm); 10 ppm (>1999ppm); 0.1 PPTSalt: 1ppm (<1999ppm); 10 ppm (>1999ppm); 0.1 PPT 0.01%S.G: 0.001Temperature: 0.1℃(0.2℉)Accuracy: PH: ±0.03pHORP: ±5mvEC, CF, TDS, SALT: ±2%F.STemperature: ±1.0℃Battery: DC6VTemperature 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 ManualNote: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.