Features： 1、Remote Control: 6 in 1 PH temperature meter can be remotely monitored online wirelessly, data is received from time to time, and the data is automatically stored and overwritten after 30 days. 2、Accurate Data: Online water quality tester uses high accuracy probes, corrosion resistance, long service life, quick response speed, and more accurate and stable data. 3、Alarm Function: 6 in 1 intelligent SG tester can click on the PH alarm to set the highest and lowest alarm points, and can set SMS notification or prompt on the APP. 4、Stable Data Transmission: 6 in 1 water quality tester can be connected to WiFi, the data transmission is very stable, and a set of data is transmitted within 15 seconds, and there are data graphs for analysis. 5、6 in 1: EC meter digital multiparameter with multiple functions, can test PH, EC, SG, etc., download for Tuya APP, you can view current data and historical data on your mobile phone. Specification： Item Type: Online Water Quality Tester Material: ABS Product Size:Approx. 130 x 77 x 31mm / 5.1 x 3.0 x 1.2in Power Supply: DC6V Scope: PH:0.00-14.00pH EC: 0-19000us/cm 0-199.0ms/cm TDS: 0-19990ppm 0-199.0ppt Salt: 0-199.9ppt 0%-20% SG:0.990-1.400 Temperature: 0 DegreeC-50 DegreeC (32 DegreeF-122 DegreeF) Resolution: pH 0.01PH EC: 1us/cm(<1000us/cm) 10us/cm(>1000us/cm) 0.1ms/cm TDS: 1ppm (<1000ppm) 10ppm (> 1000ppm) 0.1ppt Salt: 1ppm (<1000ppm) 10ppm (>1000ppm) 0.1ppt 0.01% SG: 0.001 Temperature: 0.1 DegreeC (0.2 DegreeF) Accuracy: pH ±0.03pH EC, TDS, SALT±2%F.S Temperature: ±1.0 DegreeC Weight: Approx. 900g / 31.7oz Package List： 1 x Online Water Quality Tester 1 x Adapter 1 x Electrode 1 x Connecting Line 2 x Sucker 1 x Bracket 1 x User Manual 1 x Storage Box(Random Sticker)