Description The dissolved oxygen meter provides high-precision and accurate dissolved oxygen readings, delivering fast and reliable test results. This Bluetooth-enabled dissolved oxygen meter supports connection to a mobile application for real-time data transmission and monitoring. The aquarium water testing kit displays clear and easy-to-read measurements, allowing users to save, manage, and share test data conveniently. The digital display dissolved oxygen meter features a mobile app-controlled backlight for improved visibility. The colorimeter's digital screen is clear and user-friendly. Users can customize measurement parameters on the device. The meter automatically powers off after approximately 8 minutes of inactivity and includes a low battery indicator. Measurement range: Dissolved oxygen: 0.0–30.0 mg/L; Dissolved oxygen saturation: 0.0–300.0%; Temperature: 0.1–40.0°C (32.0–104.0°F). The device includes automatic temperature compensation for more stable and accurate readings. Maintaining proper dissolved oxygen levels is essential for aquatic life. Levels below 5.0 mg/L can stress aquatic organisms, and prolonged exposure to levels between 1–2 mg/L may result in fatalities. Accurate monitoring is critical in aquaculture, biological processes, and pond management. This dissolved oxygen detection kit is suitable for measuring oxygen levels in various environments, including aquariums, swimming pools, educational experiments, laboratory settings, scientific research, environmental monitoring (lakes, streams, oceans), wastewater treatment, and wine production. Color: Black Material: Plastic Package Contents: 1 x Oxygen Meter Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement error allowance is +/- 1-3 cm.