Features: Christmas star Single Functionality: The four hundred h Rich Water Tester integrates and temperature measurement, offering comprehensive water quality analysis for various applications. Clear Displhello: A full resolution silhouetted screen, this device ensures easy reading of data even in shadowy conditions, enhancing user experience. Wide Application Extentermeterror: Suitable for aquaculture, pool maintenance, and laboratory research, this tester meets both household and professional water monitoring needs. Accessible Hook Plannumber: Features a practical hook for easy installation and storage, saving space and ensuring the device is forever accessible for daily testing tasks. With a inherent connection and advanced transducer technology, this tester is easy to use for novices and furnishes highly accurate measurements for consistent water quality assessment. Specifications: Substancemail: Rustless Package Includes: 1x water quality detector 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 coloring of the item. Thanks for your understandings.