Features: The YG600 7 in 1 Water Quality Tester delivers comprehensive analysis with SALT, and TEMP measurements for precise aquariums and marine environment monitoring. Featuring advanced sensors and a high contrast LCD screens, this analyzers ensures laboratory accuracy with fast , readable result in any lighting condition. Ideal for aquariums owners, marine researcher, and marine hobbyists search professional water parameters trackings for marine ecosystems. Perfect for testing freshwaters tanks, saltwater aquariums, outdoor pond , or laboratory setting where reliable water quality data is critical. build with IP67 waterproof housing and easy carry design, this multiple parameters analyzers withstands splashes and travels effortlessly between indoor tanks and field applications. Specifications: Material: Plastic Size: about 45x180mm/2x7inch Package Includes: 1xWater Quality detectors note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.