Mini Self-provided Battery Water Tester Water Purity Analyzers Water Monitor Water PH Meters Pen

Label:Yes Package Contents: 1* Water PH Meters (with batteries) Type: Water PH Meters Size:155*31*18 mm /6.1*1.2*0.8 in (approx) Color: Black,green Material: ABS

Feature: Can test purity of the water quality at any time. Waterproof design, lower power procesor. Accurate testing the purity of the water quality at home. Simple to use, just single click, you can know the quality of water, convenient to use at home Lock Function: Manually lock measurements for convenient reading and recording Auto-off Function: Auto-off after 5 mins without any operation to conserve batteries.