Aquaculture DO Tester 0-20mg/L Bluetooth Digital Dissolved Oxygen Meter Water Quality Tester Oxygen Contents Detector Aquarium

Battery Included : No High-concerned chemical : None Model Number : Dissolved Oxygen Meter With Backlight Or Not : Yes Brand Name : JUANJUAN Display Type : DIGITAL Origin : Mainland China Feature 1 : Water Quality Tester Feature 2 : DO Tester Feature 3 : Oxygen Contents Detector