2/3/4 in 1 Optional PH/ORP/H2 and TEM Meter Dissolved Hydrogen Meter Water Quality Tester Digital PH Monitor For Aquarium Pool

Battery Included : No High-concerned chemical : None Is Smart Device : No Model Number : ph meter With Backlight Or Not : Yes Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : CE Color : Black Material : Plastic Display : LCD digital display Waterproof Level : IP67 Weight : 90g Temperature Range : 0.1-60.0℃ 32.0-140℉ Size : 183"37*37mm(7.2*1.5*1.5in) Battery : 3*1.5V (LR44) (not including battery) PH/H2/TEMP/ORP Meter : Hydrogen Ion Concentration Tester PH Redox Monitor : digital hydrogen ion concentration tester 2/3/4 in 1 : Optional