Features Robust and Durable: The housing of this water quality tester is made of plastic and is robust, making it suitable for use in the harsh swimming pool environment. Easy to Use: This water quality tester is a handy tool for testing pH levels in swimming pools and spas and is very easy to use, eliminating the need to pour more chemicals into the water to perform the test. Large Screen Display: The water quality tester has a large display for easy and accurate readings of pH levels. Compact and Lightweight: The water quality tester is lightweight and compact, easy to carry, with holes for easy hanging and space saving. Versatile: This water quality tester gives immediate and accurate results and can be used for water quality testing in swimming pools, spas and hot tubs. Specification: Item Type: Water Quality Tester Material: ABS Model: PC 101 Content Range: 1.2 to 1.7ppm PH Range: 7.2 to 7.8 Probe with Handle: Approx. 150mm / 5.91in length Probe (only): Approx. 48mm / 1.89in length Cable (only): Approx. 130mm / 5.12in Power Supply: 1 x AA1.5V alkaline battery (not included) It is difficult to know the PH content by the colour of the test paper alone, as the colour cannot be easily identified by the human eye alone. This is why we recommend this innovative design for you. The meter makes it easy to test the pH and CL2 of water. Package List:1 x Water Quality Tester 1 x Instruction Manual Package List 1 x Water Quality Tester 1 x Instruction Manual