[5 in 1 Water Quality Test] The pH meter features a 5-in-1 function that simultaneously measures pH, TDS, EC, salinity, and temperature with high accuracy. Provides comprehensive water quality analysis for reliable results. [Accurate Measurement] Equipped with a high-quality titanium alloy probe and automatic temperature compensation (ATC) to ensure precise readings across varying temperatures. [Auto Power Off Function] Automatically powers off after 5 minutes of inactivity to conserve battery life. [IP67 Waterproof Rating] Rated IP67 for protection against dust, water, and short-term immersion. Suitable for use in wet environments. [Wide Range of Uses] Ideal for testing drinking water, swimming pools, aquariums, spas, hydroponics, laboratories, and more. Note: Measurements are taken manually. Please allow 1-3 cm variation due to differences in lighting and display. Color may vary slightly from the image shown. Actual product may differ slightly.