[SPEED & ACCURACY] Features a new sensor and durable probe for fast, accurate readings in seconds. Provides instant results with just 1 inch of water. Includes a large backlit LCD for easy viewing in low light. [EASY TO USE] This 3-in-1 digital TDS meter is a compact, handheld device designed for quick and simple water quality testing. Ideal for monitoring drinking water quality. Comes with a protective case for portability and convenience. [MULTIPURPOSE & ESSENTIAL] A reliable tool for testing water quality in various applications including drinking water, water purification systems, aquariums, hydroponics, pools, spas, and industrial uses. [3-IN-1 MEASUREMENTS] Measures TDS, EC, and temperature with a single device, offering convenience and efficiency. A practical solution for comprehensive water testing. [AUTO-OFF AND HOLD FUNCTION] Automatically powers off after 2 minutes of inactivity to extend battery life. Includes a hold function to lock readings for easy viewing and recording. [NOTE: The EPA recommends a TDS level of less than 500 ppm for drinking water.] Color: White Material: Plastic Package Contents: 1 x Water Quality Tester Note: Light reflection and screen settings may cause slight color variation between the image and the actual product. Measurement may vary by +/- 1-3 cm.