PH Value Test For Swimming Pool Aquarium Digital PH Meter PH Test Pen PH Meter Water Quality Tester

Label:Yes Power Supply: 2 x 1.5V LR44 (Included) Accuracy: ± 0.01pH Resolution: 0.01pH Package Included: 1pcs Digital PH Meter Measure Range: 0.00-14.00pH Dimensions: 155mm*31mm*17mm

NOTE: ❥Clean the electrode with distilled water Every time before and after use. ❥Be careful with the glass probe since it may be a little fragile when you use it. ❥Open the battery case or replace the battery, then need to re-calibrate the meter.