1、Easy Reading: PH meter screen is designed for horizontal display, PH and temperature values can be read at the same time 2、Portable and Backlit: Digital water tester is pocket size and light weight. Backlight function is for taking measurements anytime and anywhere 3、Convenient and Practical: Turn on the switch, put the probe into the water and stir (make the small glass ball fully touch the liquid), wait for the value to be stable and then read out the value 4、Temperature Compensation: PH meter has automatic temperature compensation function, adjust to water temperature, you can test the PH reading quickly 5、Holiday Gift: Water quality test meter is suitable for fish tank, well water, alkaline tap water and other beverages PH value, give to family and friends 1 x PH Meter1 x Testing Pen3 x Dissolving Powder1 x Storage Box1 x Storage Bag2 x User Manual Item Type: Water TesterMaterial: ABS, PlasticTest Items: Acidity and AlkalinityMeasurement Category:Total Dissolved Solidity, Celsius, Fahrenheit, ConductivityPH Battery: 2 x 1.5V (LR44 type button cell) (shipped with button cell)Total Dissolved Solidity Battery: 1 x 3V (CR2032) Button Cell (shipped with button cell)PH Battery Capacity: 160mAhTotal Dissolved Solidity Battery Capacity: 240mAhDetection Range: 0.00 to 14PHTemperature Range: 0 to 60 DegreesApplication Range:Tap Water, Household Water Purifier, Commercial Water Purifier, Industrial Water Treatment Industry, Etc.Color: Blue