1. Bluetooth Connectivity: Enjoy seamless real time data transmission from your smartphone or device within a 10 meters range. This Bluetooth enabled feature allows for convenient monitoring and analysis of water quality without the hassle of wires.
2. Fully Waterproofing Design: Engineered for durability, this DO dissolved oxygen tester is completely waterproofing and can float on the water's top when equipped with a weighted cover.
3. Multilingual APP Support: The accompanying app supports multiple languages, including Traditional Chinese, English, French, German, Russian, Japanese, Korean, and Spanish.
4. Long Battery Life And Smart Features: Once fully charged, the Bluetooth oxygen tester operates continuously for up to five days. It includes a user friendly automatic power saving mode, which turns off the light after two minutes of inactivity and disconnects Bluetooth after 30 minutes to conserve battery life.
5. Data Export Functionality: The water quality multi parameter allows for easy data management, with the functionality to export data via email on an hourly, daily, weekly, or monthly basis. This feature is suitable for laboratories, hydroponics, aquariums.

Specification:
Item Type: DO Dissolved Oxygen Floating Bluetooth Tester
Material: ABS
Range: Dissolved Oxygen: 0-199.9%, 0-20mg/L, Temperature: 0°C-50°C (32°F-122°F)
Resolution: Dissolved Oxygen: 0.1%, 0.01mg/L, Temperature: 0.1°C (0.2°F)
Accuracy: Dissolved Oxygen ±3%F.S, Temperature: ±1.0°C
Battery: Li Ion Battery 500MAH (Included)
Temperature Compensation: 0°C-50°C
Operating Temperature: 0°C-50°C
Weight: Approx. 240.00g / 8.47oz

How to Use:
1. Connect the USB end of the original magnetic charging cable to a universal phone charger (5V 1A+). 2. Locate the charging port area on the device.
3. Bring the other end of the magnetic charging cable (the part with the magnet) close to the device's charging port area, they will automatically assemble together due to the magnet's attraction.
4. Once the charging cable is successfully connected to the device, the device will light up in red (indicating charging), and the green light will come on when fully charged (the full charging process takes about 4 hours).

PackageList:
1 x Tester
1 x Charging Cable
1 x Manual
2 x Accessories
2 x Calibration Powder Packs

Notice:
1. If the instrument fails to start up normally, please charge it in time. 2. During charging, please avoid frequent movement or touching of the instrument to prevent affecting the charging effect or causing damage.
3. If you find the charging speed abnormally slow or unable to charge, please check whether the connection between the charger and the instrument is tight and whether the power supply is normal.
4. After use, the electrode with distilled water or water, and gently dry the electrode with filter paper.
Plug: Comes with a USB magnetic charging cable that matches the power plug of the customer's local area to avoid unnecessary after sales issues. For new products, it is recommended that customers charge for 2-3 hours upon receiving them, and the indicator light should be green when in use.