DO9100 Digital Dissolved Oxygen Meter 0.0-40.0 Mg/L Waterproof ATC 0.0-300.0% DO Tester Water Quality Oxygen Detector

It's a great honor for you to visit my store. Good luck with your favorite purchasesHign-concerned Chemical : None Is Smart Device : no Model Number : DO9100 With Backlight Or Not : YES Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : CE The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.