Feature: 1. Recommended chlorine level for pools and spas: 1.2 ~ 1.7ppm; recommended PH level for pools and spas: 7.2 ~ 7.8ph. 2. Can measure the PH and CL2 level quickly and accurately, which is simple to operate. 3. Large screen display, shows the test result on pH and chlorine level clearly. 4. Portable body design, convenient for handheld operation, and easy to carry and store. 5. Can be widely used to detect the water quality of swimming pool, spa and other water sources. Specification: 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 Color: White Material: ABS Power Supply: 1×1.5V 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 Probe with Handle: 150mm / 5.91inch Item Size: 180 * 125 mm / 7.09 * 4.92inch Item Weight: 193g / 6.81oz Package Size: 200 * 150 * 70 mm / 7.87 * 5.91 * 2.76inch Package Weight: 260g / 9.17oz Package List: 1 * PH and CL2 Probe Tester 1 Sheet * Sandpaper 1 * User Manual (English) Package List: 1 * PH and CL2 Probe Tester 1 Sheet * Sandpaper 1 * User Manual (English)