The WiFi online Water quality analyzer allows you to real time monitor the PH/EC/TDS/SALT/S.G/CF/ORP/Temperature via your smartphone on the APP(for free), it is compatible with and system, perfect for 24 hours online monitoring. Widely used to test thePH/EC/TDS/SALT/S.G/CF/ORP/Temperature of water. Test temperature in / (switchable unit). Can online monitoring for a long time. Clear LCD with backlight, 3 results displayed simultaneously. Specifications: Range: pH: 0.00 14.00pH ORP: -2000mV 2000mV EC:0-19000us/cm 0-199.0ms/cm Temperature: 0 50 (32 122) CF: 0.0 199.9CF TDS: 019990ppm 0~ 199.0ppt SALT:0~199.9ppt 0%~20% S.G:0.990~1.4000 Resolution: pH: 0.01pH ORP: 1mV EC:1us/cm(<1999us/cm) 10us/cm(>1999us/cm) CF:1CF TDS:1ppm(<1999ppm) 10ppm(>1999ppm) 0.1ppt SALT:1ppm(<1999ppm) 10ppm(>1999ppm) 0.1ppt 0.01% S.G:0.001 Temperature:0.1(0.2) Accuracy: pH: ±0.0.3pH ORP:±5mV ECCFTDSSALT: ±2%F.S Temperature: ±1(±2) Temperature Compensation: 0 50 (32 122) Working temperature: 0 50 (32 122) Power supply: DC 6V (Power Adapter Usable) Color: Black Material: ABS Plug Type: EU/US/UK (Optional) Input Voltage: 100240V Item Size: 152 * 80 * 26mm / 6.0 * 3.1 * 1.0in (Excluding Conproductivity be) Item Weight: 215g / 7.58oz (8 in 1 Meter Body) Package Size: 31 * 18.3 * 6.8cm / 12.2 * 7.2 * 2.7in Package Weight: 746g / 26.31oz Package List: 1 * 8 in 1 Water Quality Monitor with Conproductivity Electrode 1 * User Manual 1 * pH Electrode 1 * ORP Electrode 1 * Temperature Electrode 1 * AC-DC Adapter 2 * Suction Cups 1 * Bracket