3-In-1 TDS Water Tester can be used to test TDS, EC and Water Temperature Accurately.<br> Pen-type Design, compact and lightweight, convenient to use and store in your pocket or bag, you can take it anywhere.<br> Can lock the readings for convenient reading and recording. Automatically turns off the meter to conserve batteries if without operation over 10 mins.<br> Ideal TDS meter for testing water quality or purity in Water Purifiers, Water Filters, Drinking Water, Drinks, Pools, Spas, Aquarium, Hydroponics, Etc.<br> No battery provided<br> Delivery Quantity: 1pc,<br> Package Contents: Only the above package contents, excluding other products.<br> Size: 155*31*18mm<br> (Reminder: The size is measured manually, please allow 1-2 cm measurement error)<br> color: White<br> (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)<br> 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. Sold by-DIMEANI official store