Essential for campers verifying stream, car owners tanks water, and aquariums hobbyists maintaining optimal fish habitat conditions through regular testing Crafted from durability ABS, this compactly detection tool features antislip grip, combining laboratory grade precise with ruggeds field usability Deploys during fishing trip, basement plumbing inspections, or backyard pool checks instantly water analysis wherever your adventure take you With auto calibration function and replaceable sensors tip, this pocket sized detectors delivers professional water analysis comparable to bulkier equipment, streamlining your liquid assessment workflow The waterproof pen styles water tester with LCD backlights display ensures accurate readings in low light environment, design for outdoor enthusiasts and aquariums maintenance, Manufacturer: JDNH