Harness solar energy for user friendly power with this multifunctional water quality tester, accurately measuring salinity and temperature in marine, aquaculture, and reservoirs environment Monitor saltwater pools, water ecosystems, or fish farm conditions effortlessly during expeditions, fields research, or routine maintenance check Features button operations and IP67 waterproof casing, delivering professional grades accuracy in harsh outdoor conditions for sustainable environmental monitoring Crafted with solid ABS materials and weighing only 300g, this delicate device combines corrosions resistance with easy portability for efficient fields use Essential for marine biologists, aquaculture operators, and outdoor enthusiasts needing quick water analysis without technical expertise, Manufacturer: Xuancai