Essential tools for quickly and accurately measuring pH and chlorine are the most commonly used water disinfectants to kill harmful algae and microorganisms. Features: A delicate tool to keep your pool or spa within a safe chlorine and pH range without chemicals or guesswork. This meter saves you time and money. Quickly test water for pH, organic contamination and harmful substances. The large screen displays test results for pH and chlorine levels for convenient and accurate readings. Simple to operate and easy to carry, you can quickly test whether chlorine and PH are in the fine range. No pollution, no consumables, self-cleaning. Specifications: Material: Plastic Power Supply: 1 x 1.5V AA Battery Main Unit: 190mm*20mm Handle Probe: 150mmProbe(Only): 48mmCable(Only): 300mmItem Weight: 161g/5.7oz Package Size: 240*145*30mm /9.5*5.7*1.2inch Packing Weight: 221g/7.8oz Package includes: 1 * pH and Cl2 Tester with Probe 1 * Instruction Manual 1 * Sandpaper