Features： 1、Wireless Monitoring: The water quality meter support online wireless remote monitoring, real time data reception, can be automatically stored 2、WIFI APP Control: Dual control with APP, where there is no wireless WiFi, you can use the mobile phone to open the hotspot for APP connection 3、Languages Supports: Support Chinese, traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish and other languages 4、 Materials: The water quality online controller is made of ABS material, which has high strength, strong, durable and has a long service life 5、Wide Applications: Suitable for water source, soilless culture, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc 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 ORP -2000mv-+2000mv Temperature 0 DegreeC-50 DegreeC (32 DegreeF-122 DegreeF ) Resolution: pH 0.01PH ORP 1mv Temperature 0.1 DegreeC (0.2 DegreeF) Accuracy: pH ±0.1pH ORP ±5mv Temperature ± 1.0 DegreeC Alarm Setting Range: ORP-2000-2000 MV Features: WIFI, APP function Application: Suitable for water source, soilless cultivation, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. Package List： 1 x Digital Water Quality Meter 1 x Connecting Line 2 x Electrode 10 x Accessories 1 x User Manual