With this water quality tester, you can quickly measure the pH and chlorine level of swimming pool and spa with accurate data, time-saving and convenient. Features: * Recommended chlorine level for pools and spas: 1.2 ~ 1.7ppm; recommended PH level for pools and spas: 7.2 ~ 7.8ph. * Can measure the PH and CL2 level quickly and accurately, which is simple to operate. * Large screen display, shows the test result on pH and chlorine level clearly. * Portable body design, convenient for handheld operation, and easy to carry and store. * Can be widely used to detect the water quality of swimming pool, spa and other water sources. Note: Probes are advised NOT to immerse in any liquid other than pool or spa water. Specifications: Model: PC102 Material: ABS+Electronic Components Color: White Power Supply: 11.5V AA alkaline battery (NOT included) Recommended Chlorine Level for Pools Spas: 1.2 ~ 1.7ppm Recommended PH Level for Pools Spas: 7.2 ~ 7.8ph Main Unit: 190 * 120mm Probe Length (only): 48mm Probe with Handle: 150mm Cable Length (only): 130mm Item Size: 17.5 * 12.5 * 5cm / 6.89 * 4.92 * 1.97in Item Weight: 160g / 5.64oz Package Size: 19 * 13 * 5.5cm / 7.48 * 5.12 * 2.17in Package Weight: 221g / 7.8oz Package List: 1 * Water Quality Tester