2025New Professional Digital LCD Display Bluetooth Dissolved Oxygen Meter Water Quality Tester 0.0‑20.0mg/L 0°C-50C° Temp Meter

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : No High-concerned chemical : None Is Smart Device : No Model Number : Dissolved Oxygen Analyzer With Backlight Or Not : Yes Brand Name : JUANJUAN Origin : Mainland China Display Type : DIGITAL Certification : CE