Features: Portable design: The water quality tds-meter tester adopts a streamlined non-slip design, waterproof, lightweight and portable. The drinking water tester has an automatic calibration function, which can be adjusted according to water temperature and water quality, and completes calibration within 1-3 seconds. TDS-EC meter: A very complete tool to check the quality of the product. of your water, whether it comes from a tap, a bath hot tub, homebrew, indoor flooring, aquarium, hydroponics or swimming pool. LCD Display: Clear, easy-to-read display for instants results. Portable Design: Compact and easy to carry, perfect for both professional use. MULTI-PURPOSE: This water quality tester can help you know the water quality of drinking water, bath water, glass of salt water, swimming pool, etc. It also helps you get a clear picture of your hydroponic setup, garden soils, and more. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 154x30x14mm Package List: 1x TDS-Meter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.