Sevenfunctionality design This water quality tester integrates seven essential detection functions, making it suitable for drinking water testing, swimming pool testing, and other versatile applications. Silicone button design Silicone buttons enhance durability and comfort, effectively addressing common button discoloration issues for longlasting use. Fast and accurate measurements Dual chips and optimized circuits enable rapid data processing and stable calibration values, delivering reliable results with every measurement. Clear display for easy readings The display provides a direct onetoone correspondence between measurement units, significantly reducing reading errors and improving user experience. Applications and use scenarios Home drinking water safety checks: quickly evaluate tap or filtered water quality for everyday use. Swimming pool maintenance: monitor water conditions to maintain safe and clean pool environments. Onsite water quality checks: suitable for travel, camping, or small facilities that require portable testing solutions. Note: This description preserves the original product's seven functions, silicone button design, dualchip performance, and clear unit display while presenting the information in concise, customerfriendly language.