New 10 in 1 Water Quality Tester PH/TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile/Resistivity Tester Pen For Aquarium Swimming Pool

It's a great honor for you to visit my store. Good luck with your favorite purchases Hign-concerned Chemical : None Model Number : High Quality With Backlight Or Not : YES Display Type : DIGITAL Brand Name : UYANGG Origin : Mainland China Certification : none PH : 0-14 TDS : 0-200000ppm EC : 0-200000us/cm Salinity : 0-20%, protect human health MΩ Resistivity : 50Ω-20MΩ, Indicates the purity of water S.G specific gravity of seawater : 11.000-1.222 Temperature : 0-60℃/32.0-140°F 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.