7 in 1 multi-function tester: PH /EC /TDS /ORP / /Humidity /Temp. Seven functions, three functions can be used at the same time, Can connect to wifi, wired connection to computer monitoring, real-time data reception. Support APP remote control, more convenient to monitor the water quality detector anytime, anywhere. It is suitable for water quality testing in occasions. The water quality analyzer can be used to distinguish drinking water from non-drinking water, and can test the water quality of drinking water, aquariums, hydroponics, swimming pools, ponds, laboratories, etc. HD LCD display,Large screen display, clear and easy to read values, suitable for testing needs in all walks of life Is Smart Device:YES Model Number:WIFI 7 in 1 Water Analyzer With Backlight Or Not:YES Display Type:DIGITAL pH Measuring range:0.00-14.00 pH Temp Measuring range:0-80C (32.1F-176F) EC Measuring range:0.01-19.99mS/cm TDS Measuring range:0-9990ppm Measuring range:0.1-199.9CF ORP Measuring range:-999-+999mV umidity Measuring range:10%-99%RH Waterproof:IP67 Does not come with batteries, requires 3xAAA batteries The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:ABS Package Contents: 1 x Water Analyze Monitor 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.