5 in 1 Multifunction Tester with Bluetooth: PH / EC / SALT / S.G / Temperature. Temperature unit switchable: / . It supports APP remote control, more convenient to monitor the water quality tester anytime anywhere. You can also set alarm value in the APP. Digital screen with backlight greatly enhances reading experience. And it supports automatic data storage, save data for 30 days in the APP. Easy, accurate, fast and steady to use. With wide range: PH ranges from 0.00 to 14.00, EC ranges from 0 to 19900s/cm, SALT ranges from 0 to 199.0ppt, etc. Water quality analyzer can be used to distinguish between drinking water and non-drinking water, and can test the water of aquarium, hydroponics, swimming pool, pond, lab, etc. Compact and space-saving for easy installation. Please clean the electrode with distilled water and dry it well before use. Please note: Slight color difference or difference in kind, does not affect the use, please do not mind, thank you! Plug: US Model: 9953W Range: PH: 0.00-14.00pH EC: 0-19900us/cm 0-199.0ms/cm SALT: 0-199.0 ppt S.G: 0.990-1.400 Temp.: 0-50 (32 -122) Resolution: PH : 0.01pH SALT: 1ppm ( Less than 1999ppm ) 10ppm ( 1999ppm ) 0.1ppt EC: 1us/cm ( Less than 1999us/cm ) 10us/cm ( 1999us/cm ) 0.1ms/cm S G : 0.001 Temp : 0.1 ( 0.2 ) Accuracy: PH : 0.03 SALT/EC : 2%F.S Temp : 1.0 Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC110V Colour:green Material:plastic Package Contents: 1 x Water Quality Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.