The IPX6 waterproof rating makes it splash-resistant, providing additional durability during use in wet environments. Its long-lasting, built-in replaceable battery ensures that you can test water quality whenever needed. The device also features an auto shut-off function, which helps conserve battery by turning off after a few minutes of inactivity.

This lightweight and compact TDS tester is easy to carry and store, making it a convenient tool for both home and travel use. Whether you are monitoring water quality for hydroponics, swimming pools, or drinking water, the Xiaomi DUKA TDS Water Tester Pen ensures accurate and reliable results every time.