Product size: approx. 15.3 x 2.8 x 1.5cm / 6 x 1.1 x 0.6inch [Liquid Display] A large size backlit LCD screen is adopted, which has a larger data reading angle and night reading ability [Sr and Reliable] Reliable, accurate and fast water quality detector, equipped with sensitive and high quality probes, the water quality detector can test quickly and easily [Accurate Display] Put the probe into water and the LCD screen will display accurate results in seconds [Automatic Temperature Compensation] Equipped with automatic temperature compensation , it can be adjusted according to temperature and water quality to provide an almost immediate PH reading. [Scope of application] An ideal water tester for water , pool, aquarium, spa, hydroponics, food, wine and beer