Digital Water quality Tester 3 in 1 Blue-tooth PH Meter PH EC Temp Water Test Pen Backlight Water Detector for Aquarium Pool

It's a great honor for you to visit my store. Good luck with your favorite purchases Hign-concerned Chemical : None Is Smart Device : YES Model Number : BLE-9902 With Backlight Or Not : YES Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : CE ph meter : Temp Meter EC Meter: : PH Meter PH Range: : 0.00-14.00 EC Range: : 0-9999us/cm,10.01-19.99mS/cm Temperature Range : 0.0-60.0℃ 32.0-140℉ ATC : 0.1℃-60.0℃;32.0-140℉ Waterproof: : IP67 pH Calibration : 6.86/4.00/9.18 or 7.00/4.00/10.01 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.