Ensure precise and efficient water quality analysis with this advanced 4-in-1 Multifunctional Water Quality Tester. Designed with a large and clear display screen, this tester allows for easy reading of pH, TDS, EC, and temperature values simultaneously, making it an essential tool for gardeners, homeowners, laboratories, farms, and aquarium enthusiasts. Crafted from durable ABS material, it features automatic temperature compensation and a highly accurate 3-point auto calibration system to deliver reliable results every time. Key Features: · Large and Clear Display Screen: Provides easy-to-read measurements for quick and accurate water quality assessment. · 4-in-1 Multifunctional Testing: Simultaneously measures pH (0.00-14.00), Total Dissolved Solids (TDS) up to 19990 ppm, Electrical Conductivity (EC) up to 19990 μS/cm, and temperature with automatic compensation. · Advanced 3-Point Auto Calibration: Ensures high accuracy and reliability with precise calibration for consistent performance. · Lightweight and Portable Design: Compact and easy to carry, ideal for both indoor and outdoor use in various environments. · Wide Application Range: Perfect for use in gardens, homes, laboratories, farms, aquariums, and more. · Automatic Temperature Compensation: Accurately adjusts readings within 0-60°C for dependable results under varying conditions. · Auto Power Off Function: Conserves battery life by automatically shutting off after 5 minutes of inactivity. Specifications: · Condition: 100% Brand New · Material: ABS · Size: Approx. 18 x 3.5 x 3.5 cm (7.1 x 1.4 x 1.4 in) · Weight: Approx. 160g (5.6 oz) · Battery: 3 x 1.5V Button Batteries (Not Included) · Measurement Ranges & Accuracy:  - pH: 0.00-14.00, Accuracy ±0.05 pH  - TDS: 0-19990 ppm, Accuracy ±2%  - EC: 0-19990 μS/cm, Accuracy ±2%  - Temperature: 0-60°C, Accuracy ±0.5°C Package Includes: · 1 x 4-in-1 Multifunctional Water Quality Tester This multifunctional water tester combines accuracy, convenience, and versatility in a compact design, making it the perfect choice for anyone needing reliable water quality measurements across a variety of settings.