1. Versatile 3-in-1 Functionality Efficiently measure Total Dissolved Solids (TDS), pH levels, and salinity with this all-in-one device. Perfect for assessing water quality in tap water, aquariums, hydroponic systems, and swimming pools. 2. Fast and Accurate Readings Equipped with a high-accuracy sensor, this device delivers reliable measurements in seconds. Automatic temperature compensation ensures precision in various environments, making it easy to trust your results. 3. Compact and Convenient Design Weighing only 0.1 kg and measuring 183x43.7 mm, this portable tester easily fits in your pocket. The clear LCD screen and one-click operation make it user-friendly for home, travel, or outdoor activities. 4. Long-lasting Power and Durability Powered by a replaceable battery designed for extended use, this tester features a water-resistant casing for enhanced durability, ensuring it withstands humid conditions and lasts over time. Applications: - Use it to monitor the quality of drinking water at home to ensure safety. - Check pH levels and salinity in aquariums to maintain a healthy environment for fish and plants. - Assess water quality in hydroponic setups to optimize plant growth and yield.