6in1 appdriven water quality meter: measures pH, ORP, chlorine, EC, TDS and temperature with a single probe. Suitable for home drinking water, hydroponics, laboratories and aquariums. precision and fast: an accurate chip and durable electrodes deliver reliable readings quickly. Green backlit LCD ensures easy reading in any light. Rugged and waterproof: IP67rated housing designed for wet environments and long service life. Appbased display and control: simply immerse the electrode and see readings on the app; multiple parameters are shown simultaneously; the app also controls the backlight. Realtime data sync: readings are streamed to the app so you can view trends at a glance without repeatedly handling the device. Practical applications: use for home water safety checks (pH and chlorine levels), optimize nutrient solutions in hydroponics (pH, EC, TDS), and maintain aquarium water quality (pH, chlorine, EC/TDS) or perform quick lab checks. Compact and durable design: handheld form with a robust probe and sturdy housing, optimized for regular use in homes, studios, or classrooms.