Water Quality Tester HM COM-300 EC TDS PH 4 In 1 Meter PH-200 PH Meter Waterproof ORP Tester With ATC Calibration And Data Hold

Battery Included : No High-concerned chemical : None Model Number : ORP-200 With Backlight Or Not : No Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : NONE support : dropshipping battery : 2*AAA battery NOT INCLUDE application : Water Quality style : Portable Handheld Backlight : not Brand : JUANJUAN weight : 180g Accuracy : +-2 mv COM-300 : PH-200