6 in 1: Multifunctional water quality tester, real-time monitoring of PH, total dissolved solids, EC, SG, salinity, temperature water, making your use safer.Reliable quality: High precision probes are used, corrosion resistant, long service life, fast response and more stable data. Support pH calibration.APP Control: Support connect to Tuya APP via WiFi, you can view current or historical data directly on the phone, alarm for abnormal data, etc. Data download: The detector can download data in real time. You can view daily, weekly and monthly data to easily grasp water quality. Wide application: Multi-parameter intelligent water quality detector, practicability b, very suitable for aquarium, aquaculture, swimming pool, drinking water, laboratory, etc.Specifications: Color: Green< br />Material: ABSPlug: EU / US (optional)Input voltage: 220 V / 110 V (optional) < br />Range: EC: 0-19,000 us/cm, 0-199.0 ms/cm PH: 0.00-14.00 pH TD S: 0-19,990 ppm , 0-199.0 ppt SEL: 0-199.9 ppt, 0%-20% SG: 0.990-1,400 Temperature: 0-50 ( 32-122)Resolution: PH: 0.01pH; EC: 1us/cm (<1000us/cm), 10us/cm (>1000us/cm), 0.1ms/cm TD S: 1 ppm (< 1,000 ppm), 10 ppm (> 1,000 ppm), 0.1 ppt; SALT: 1 ppm (1000 ppm), 10 ppm (>1000 pm), 0.1 ppt, 0.01%; SG: 0.001 Temperature: 0.1(0.2). EC/TD S/SEL: 2% FS Temperature: 1.0Temperature compensation: 0C-50COperating temperature: 0-50CItem size: 130 * 77mm/ 5.1 * 3.0inPackage size: 290 * 240 * 55mm/ 11.4 * 9.4 * 2.2in Package weight: 820 g/ 28.9 ozPacking list :1 * water quality tester 1 * power cable1 * bracket1 * manual