Product size: approx. 15.3 x 2.8 x 1.5 cm / 6 x 1.1 x 0.6 inch [Liquid Display] A large size backlit LCD screen is adopted, which has a larger data reading angle and night reading capability [ Safe 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 LCD screen will show accurate results in seconds [Automatic Temperature Compensation] Equipped with automatic temperature compensation, it can be adjusted according to temperature and water quality. water to provide an almost immediate PH reading. [Scope of application] An ideal water tester for water, pool, aquarium, spa, hydroponics, food, wine and the beer