4-in-1 pH/H2/TEMP/ORP Tester Digital Hydrogen Ion Concentration Meter Water Quality Monitor for Aquarium Swimming Pool

Battery Included : No High-concerned chemical : None Is Smart Device : No Model Number : 4-in-1 pH/H2/TEMP/ORP Tester With Backlight Or Not : Yes Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : None Display : LCD digital display Waterproof: : Ip67 PH Range : 0.01-14.00pH ORP Range : 0~±999mV H2 Range : 0-2400ppb; 0.001-2.400 Temperature Range : 0.1-60.0°C 32.0-140°F