[Tuya Smart WIFI Online PH/EC/SALT/ORP/TDS/S.G/TEMP/ Controller]Download "Tuya" APP, WIFI connection/intelligent real-time data transmission, you can view current data, historical data, abnormal high and low data alerts, etc. on your cell phone. You can easily get PH/EC/SALT/ORP/TDS/S.G/TEMP and readings after connecting to your phone in seconds. It makes testing more accurate and convenient. [A mobile app connects 20 devices at the same time]A mobile app connects 20 devices at the same time, the app will be automatically named Device 1, Device 2.Device 3 inside .... Want to see which device data open that page ! [With Data Logger Function]Data support export to mailbox, you can export data easily, you can export data, share measurement data, you can view daily, weekly and monthly data easily. This function is not yet available in the market, it is the latest feature! Super stylish product ! [Simple Operation] Easily measure PH/EC/SALT/ORP/TDS/S. G/TEMP and by immersing the tester's electrode into water, wait for a few seconds and get the data on the LCD screen. No need to repeat the measurement one by one like other test paper and water quality pen, the operation is more simple and convenient. Test temperature in C / F (switchable unit). Support backlight, even in dim light can be easily read. [Real Time Monitoring with APP]WIFI Connection and Data Transfer,Download Tuya Smart APP and enter your account.Realize real time monitoring on the phone.Record data for a long time and provide data graphs for comparative analysis and solution making. [High precision replaceable electrode, wide range of application] Suitable for PH-ORP EC PPM humidity and temperature testing in fish tank, mariculture, drinking water, water source, soilless culture, aquarium, hydroponics, laboratory, spa, environment, swimming pool and water treatmentsystem. PH Range:pH 0.00pH-14.00pH ORP:-2000mv - +2000mv EC: 0-19000us/cm 0-199.0 ms/cm 1us/cm(Less than 1999us/cm) 10us/cm( 1999us/cm) 0.1ms/cm TDS: 1ppm(Less than 1999ppm) 10ppm( 1999ppm) 1ppm(Less than 1999ppm) 10ppm( 1999ppm) 0.1ppt SALT: 0-199.9ppt 0%-20% 1ppm(Less than 1999ppm) 10ppm( 1999ppm) 0.1ppt 0.01% S.G:0.001 Temp:0.1C ( 0.2F ) :0-1999.0 1CF Accuracy:(pH:0.03pH;ORP: 5mv;EC, TDS, SALT:2% F.S;Temp:1.0C) Battery:DC6V Voltage:AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. Colour:Black Material:plastic Package Contents: 1 * Water Quality Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.