[SPEED and ACCURACY] Integrated with the newest sensor and durable probe, this meter delivers fast and accurate readings in seconds. Get results with just about 1 inch of water. Upgraded with a large backlit LCD screen for easy reading in any lighting condition. [EASY TO USE] This 3-in-1 TDS meter is a compact, handheld digital device designed for quick and reliable water quality testing. It allows continuous monitoring of your drinking water quality. The portable design includes a protective case, making it convenient to carry wherever needed. [MULTIPURPOSE and ESSENTIAL TOOL] Concerned about water quality? This TDS meter is an ideal testing tool for drinking water, water filtration and purification systems, aquariums, hydroponics (nutrient testing), pools and spas, as well as commercial and industrial applications. [3-IN-1 MEASUREMENTS: TDS, EC, and TEMP] One device fulfills three measurement needs—TDS (Total Dissolved Solids), EC (Electrical Conductivity), and temperature—providing convenience and accuracy. Save time and effort with this all-in-one water testing solution for home or professional use. NOTE: EPA recommends that TDS levels in drinking water should not exceed 500 ppm. [AUTO-OFF AND HOLD FUNCTION] The meter automatically powers off after 2 minutes of inactivity to extend battery life. Equipped with a hold function to lock readings for easy viewing and recording. Color: White Material: Plastic Package Contents: 1 x Water Quality Tester Only the items listed above are included; other accessories are not part of the package. Note: Lighting and display settings may cause slight variations between the product color shown and actual color. Measurement error allowance is 1–3 cm.