1、Wireless Remote Monitoring: The water quality tester can be used for online wireless remote monitoring, real time data receiving and automatic storage. 2、WIFI and APP Function: The water quality meter is equipped with WIFI and APP functions. If there is no wireless WIFI, you can use your mobile phone to open the APP connection hotspot. 3、Widely Used: PH Temperature TDS meter is suitable for water source, soilless culture, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. 4、Supported Languages: Digital water quality tester supports Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish and other languages. 5、Easy Installation: Digital water quality meter is quick and easy installation and operation, easy to use, high accuracy. Item Type: Water Quality Tester Material: ABS Color: As Pictures Shown Weight: Approx. 1075g / 2.4lb Range: pH 0.00pH-14.00pH TDS 0-19990ppm 0-199.0ppt Temperature 0°C-50°C (32°F-122°F) Resolution: pH 0.01PH TDS 1ppm(<1000ppm)10ppm(>1000ppm) 0.1ppt Temperature 0.1°C (0.2°F) Alarm Setting Range: TDS 0-20000ppm Features: with WIFI and APP Functions Product Size: Approx. 16x11.5x4cm / 6.3x4.5x1.6in 1 x Water Quality Tester 1 x Connecting Wire 1 x Electrode 10 x Accessories 1 x Manual