3 Key Water Quality Test Pen High-Precision Waterproof Tester For Drinking Water Quality

Features: Portable: The water quality test pen is small and lightweight, making it easy to carry and use anywhere. Battery-powered: Operates on batteries, ensuring convenience and eliminating the need for external power sources. Accurates: Provides precise measurements of Total Dissolved Solideds in water, allowing users to assess water quality effectively. Easy to use: Simple operation with intuitive controls, suitable for both professionals and everyday users. Versatile: Ideal for testing various water sources, including tap water, well water, and aquariums, providing valuable insights into water puritys. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement                Description: Material: ABS Size: 155*31*23mm Battery: 2 * LR44 Button Battery(Not Included) Measurement range: 0-9999ppm Error: ±2% Package List: 1 x Water Quality Test Pen