Ensure precise and reliable water quality analysis with this advanced 3-in-1 Water Quality Tester, designed to quickly measure pH, total dissolved solids (TDS), and temperature with high accuracy. Crafted from durable ABS material, this compact and lightweight tester is perfect for both indoor and outdoor use, making it an essential tool for maintaining safe and clean water in various environments. Key Features: · Multifunctional Testing: Accurately measures pH levels, total dissolved solids (TDS), and temperature in water, providing comprehensive water quality data in one device. · Backlit Display: Equipped with a unique backlight function, allowing easy reading of measurements even in low-light or dark conditions for convenient testing anytime. · High-Precision Sensor: Features a sensitive and reliable sensor that ensures precise and consistent water quality readings to help you monitor and maintain safe water standards. · Portable and Lightweight Design: Compact and easy to carry, this water quality tester pen is ideal for versatile applications such as aquarium maintenance, pool monitoring, water purification systems, and environmental testing. · Durable ABS Construction: Made from premium ABS material for long-lasting use, energy efficiency, and stable performance without causing damage during testing. · Battery Powered: Operates on 3 LR44 button batteries (not included), providing convenient and reliable power for extended use. Specifications: · Item Type: Water Quality Tester · Material: ABS · Power Supply: Requires 3 LR44 Button Batteries (not included) Package Includes: · 1 x 3-in-1 Water Quality Tester Pen This multifunctional water quality tester combines ease of use, accuracy, and portability, making it a reliable choice for anyone needing quick and precise water parameter measurements in various settings.