Features: 5 in 1 Water Tester with high precise sensors for salinity, and temperature measurements ensures accurate readings . Equipped with a large LCD screen and single button mode switching, this waterproof analysis delivers fast results while maintaining durability in humid environments. Essential for aquaculture specialists, hydroponic enthusiasts, and laboratory technicians who demand professional water quality monitoring tools. Optimize aquatics ecosystems in homes aquariums, commercial fish farms, hydroponic gardens, or research labs with real time multi parameter testing. Compact plastic construction houses advanced detection technology, making it the ultimately portable solution for comprehensive water analysis across diverse applications. Specifications: Component: ABS plastic shell Size: 178x43mm/7x1.69inch Technical parameters: Salinity: 0%-20%; 0-10000ppm; 10.1-200ppt Temperature: 0-60°C Package Includes: 1pcs Water Testing Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.