Item Type: Water Quality Monitor Weight: 492g or 17.35oz Material: ABS Range: PH: 0.00pH-14.00pH EC: 0-19900us or cm, 0-199.0ms or cm Salinity: 0-199.0ppt S.G: 0.990-1.400 Temperature: 0°C-50°C (32°F-122°F) Resolution: PH: 0.01PH EC: 1us or cm (<1999us or cm), 10us or cm (>1999us or cm), 0.1ms or cm Salinity: 1ppm (<1999ppm) 10ppm (>1999ppm) 0.1ppt S.G: 0.001 Temperature : 0.1°C (0.2°F) Accuracy: PH: ±0.1pH EC, TDS, Salinity: ±2 percent F.S Temperature: ±1.0°C Temperature Compensation: 0°C-50°C Operating Temperature: 0℃-50℃ Wireless WiFi Features: For Tuya APP compatible for IOS and for Android phones Language Support: Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish 1,Monitor Features: For Tuya App, compatible with for IOS and for Android phones, wireless remote monitoring. 2,Multi Language Support: This monitor supports Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. 3,Data Export: This water quality monitor supports email data export function, hourly, daily, weekly, monthly, send by email. 4,Multi Function Monitor: This water quality tester supports PH, EC, SALT, S.G., TEMP 5 in 1 testing, practical and powerful. 5,APP Function: This tester supports APP use, you can share devices, create groups, with offline reminder function. 1 x Water Quality Monitor 1 x Plug 1 x Manual 1 x Electrode 2 x Suction Cup 2 x Screw 2 x Expansion Plug