[SPEED & ACCURACY] Integrates the latest sensors and durable probes to give you data in seconds. Simply immerse in about 1 inch of water for instant readings. It has also been upgraded with a large backlit LCD screen for easy readings. The [EASY TO USE] is an easy to use handheld digital meter that instantly checks your overall water quality. It allows you to keep track of the quality of your drinking water at all times The compact design and extra protective case allows you to take it with you wherever you go! [Versatile and essential] Worried about water quality? This is an excellent water quality testing tool for drinking water and purification systems (e.g. syringe or DI systems), aquariums, hydroponics (nutrient testing), swimming pools and spas, commercial and industrial applications, and more! [Comprehensive 3 tests, TDS EC and TEMP] One water quality tester for three different measurement needs. Not only is it convenient and saves you time and money, it is definitely a useful water quality test kit for your water safety. [Note: The EPA recommends 500 ppm TDS for drinking water.] Material: Plastic Measuring range:TDS&EC:0-9999 PH:0-14 Measurement accuracy:0.01 Supply Voltage:1.5V*2 Resolution:0-9999 Package Contents: 1*Water Quality Tester