4 in 1 PH Temperature TDS EC PH Meter Digital Waterproof Water Quality PH Tester Water Purity Testing Pen For Pools Aquaculture

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 : TDS EC TEMP PH Meter With Backlight Or Not : Yes Brand Name : JUANJUAN Origin : Mainland China Certification : CE