Feature: 1. Wireless Remote Monitoring: Online wireless remote monitoring, real time data reception, can be automatically stored. 2. WIFI APP Function: Dual control with APP, where there is no wireless WiFi, you can use the mobile phone to open the hotspot for APP connection. 3. Supports Languages: Support Chinese, traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish and other languages. 4. Wide Applications: Suitable for water source, soilless culture, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. 5. Premium Materials: Water quality online controller is made of ABS, which is strong, durable and has a long service life. Specification: .Item Type: Digital Water Quality Meter Material: ABS Product Size: Approx. 16 x 11.5 x 4cm / 6.3 x 4.5 x 1.6in Range: PH: 0.00-14.00PH Tds: 0-19990ppm 0-199.0ppt Temperature 0-50℃(32-122℉ ) Resolution: PH: 0.01PH Tds: 1ppm (<1000ppm) 10ppm (>1000ppm) 0.1ppt Temperature: 0.1℃(0.2℉) Alarm Setting Range: Tds 0-20000ppm Features: with Wifi, App Function Application: Suitable for Water Source, Soilless Culture, Aquarium, Laboratory, Hot Spring, Environmental Water, Swimming Pool, Water Purification System, Etc. Weight: Approx. 1075g / 37.9oz Package List: 1 x Digital Water Quality Meter1 x Connecting Line1 x Electrode10 x Accessories1 x User Manual