Features: Made of premium plastic shell, durable and sturdy. Easy to operate, no more chemicals need. A convenient tool to test water pH and chlorine level for swimming pools, spas, aquariums, hydroponics and other water systems. A large screen displays the test result on pH and chlorine level for an easy and accurate reading. Lightweight and compact, easy to carry. With a hole for convenient hanging. Specifications: Item name: Water Quality Tester Main material: ABS + Metal Color: White Battery: 1*AA (Not included)_x005F_x000D_ Recommended chlorine level for pools and spas: 1.21.7ppm Recommended PH level for pools and spas: 7.27.8PH Product size: 170*115*30mm Product weight: 200g Note: *Please read carefully the enclosed instructions before operating the tester. *Please don't immerse the probe in any liquid other than pool or spa water. *There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package information: Package weight: 215g Package size: 20*15*4.5cm Package List: 1*Water Quality Tester 1*User Manual