Advanced water quality monitoring with precise dissolved oxygen measurements from 0 to 20mg/L, ensuring optimal conditions for aquaculture and fish tanks. Bluetooth connectivity allows for easy connection to smartphones or tablets for quick data analysis and sharing, facilitating efficient monitoring . User-friendly floating design eliminates the need for manual holding, providing continuous and accurate readings without constant supervision. This state-of-the-art dissolved oxygen meter is essential for maintaining a healthy aquatic environment. With its advanced monitoring capabilities, you can that your fish tank or aquaculture setup remains in optimal condition. The Bluetooth feature enhances convenience, allowing you to track and analyze data effortlessly from your mobile device. The floating design ensures that you can obtain accurate readings without the hassle of manual operation, making it an ideal tool for both beginners and experienced aquarists. Color: As Shown Material: ABS Package Contents: 1*Dissolved Oxygen Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.