[SPEED & ACCURACY] Integrated with the newest sensor and durable probe, allows you to get data in seconds. Provides readings in as little as 1 inch of water instantly. Upgraded with a large backlit LCD for easier reading. [EASY TO USE] Our 3-in-1 TDS meter is a handheld digital meter designed for quick and easy water quality testing. Helps you monitor your drinking water quality anytime. Compact design with included case for portability. [MULTIPURPOSE USE] Ideal for testing water quality in drinking water, purification systems, aquariums, hydroponics (nutrient testing), pools and spas, and various commercial and industrial applications. [3-IN-1 TESTING: TDS, EC & TEMP] One meter fulfills three measurement needsTDS, EC, and temperature. Convenient, time-saving, and cost-effective water testing solution. [NOTE: EPA recommends TDS levels in drinking water should be below 500 ppm] [AUTO-OFF AND HOLD FUNCTION] Automatically shuts off after 2 minutes of inactivity to preserve battery life. Includes a hold function to lock readings for easy viewing and recording. Color: White Material: Plastic Package Contents: 1 x Water Quality Tester Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement error allowance: +/- 1-3 cm.