[SPEED & ACCURACY] Integrated with the latest sensor and durable probe, this meter allows you to get data in seconds. You'll get an instant reading in just about 2.5 cm of water. Plus, the upgraded large backlit LCD makes reading easier! [EASY TO USE] Our 3-in-1 TDS meter is an easy-to-use handheld digital meter for instantly checking your overall water quality. It lets you keep track of your drinking water quality at all times! A compact design with a bonus case allows you to take it with you wherever you need it. [VERSATILE & A MUST-HAVE FOR] Worried about water quality? The TDS meter is an excellent tool for testing water quality for drinking water and purification systems such as RO systems or DI systems, aquariums, hydroponics (testing nutrients), pools and spas, commercial and industrial applications, and more. [INTEGRATED 3 TESTS, TDS EC & TEMP] Three different measurement needs can be met by one water tester. Not only convenient, but also saves you time and money, absolutely a useful water test kit for your water safety. [NOTE: The EPA suggests that TDS for drinking water should be 500 ppm] [AUTO-OFF AND HOLD FUNCTION] The TDS tester automatically shuts off after 2 minutes of inactivity to save batteries. Features a hold function that saves measurements for convenient reading and recording. Color: White Material: plastic Package Contents: 1 * Water Quality Tester