Made Of High Quality Plastic Shell, Large Screen, Durable And Practical Just For Measuring Pool Water Ph No Traditional Chemicals Just Needed Ideal For Home And Laboratory Ph Testing Applications Such As Home Drinking Water, Aquariums, Swimming Pools, Tap Water, Hydroponics, Spa, Laboratory And Scientific Testing As A High-Precision Measuring Device, It Can Indicate The Test Result QuicklyJust For Measuring Pool Water Ph No Traditional Chemicals Just NeededIdeal For Home And Laboratory Ph Testing Applications Such As Home Drinking Water, Aquariums , Swimming Pools, Tap Water, Hydroponics, Spa, Laboratory And Scientific TestingAs A High-Precision Measuring Device, It Can Tell The Test Result Quickly And With PrecisionA Practical Tool For Testing The Ph Of WaterProduct DescriptionThis Water Quality Tester Is Designed To Test Ph And Chlorine Level For Swimming Pool And Spa. It'S Easy To Use, No More Chemicals. The Large Display Quickly Shows The Test Result With High Accuracy. Lightweight And Compact, Easy To Carry. Technical DataCondition: 100% Brand NewMaterial: Plastic + MetalColor: Gray WhiteSize: About 18 X 11.6 X 3.1Cm / 7, 1" X 4.6" X 1.2"Power Supply: 1 X 1.5V Aa Batteries (Not Included)Recommended Chlorine Content For Swimming Pools And Spas: 1.2~1.7Ppm Ph Recommended For Pools And Spas: 7.2~7.8Ph Package Weight: 220GQuantity: 1PcSupplied:1 X Water Quality TesterAttention:1. Please Do Not Immerse The Probe In Any Liquid Other Than Pool Or Spa Water.2. Please Turn The Switch To The Position When Not In Use.3. Please Store The Tester In A Cool And Dry Place.