Features 4 in 1: This water quality tester could detect PH, TDS, EC and temperature value, compact in structure, easy to carry out. High Definition Screen: Equipped with large high definition display screen, which is intuitive and convenient for reading. Precise Chip: Adopt high sensitivity chip, the value measurement is fast and accurate, very practical and reliable. Eco Friendly Shell: The shell adopts eco friendly plastic material, drop and fall resistant and wear resistance, safe and healthy. Wide Application: Can be widely used in drinking water, sewage treatment, water purification, fish tank, aquaculture, etc. Specification: Item Type: Water Quality Tester Material: Alloy, Plastic Length: Approx. 180mm/7.1in Upper Width: Approx. 37mm/1.5in Bottom Width: Approx. 24mm/0.9in Package List: 1 x Water Quality Tester Package List 1 x Water Quality Tester