Ensure the purity of your water with this highly accurate TDS Tester Pen, designed for convenient home use. Equipped with advanced microprocessor technology, this compact and lightweight device provides precise testing of water quality by measuring Total Dissolved Solids (TDS) and detecting up to three types of impurities. Its user-friendly one-click operation allows you to instantly check water purity anytime, making it an essential tool for maintaining safe and clean drinking water. Key Features: · Accurate Water Purity Testing: Utilizes advanced microprocessor technology to deliver reliable and precise TDS readings, helping you monitor the quality of your water effectively. · Easy One-Click Operation: Simply open the cover, immerse the pen tip in water, and press the button to get immediate results, perfect for quick and hassle-free testing at home. · Multi-Impurity Detection: Capable of testing three kinds of impurities, providing a comprehensive assessment of water quality. · Waterproof Design: Built with an IPX6 waterproof rating, ensuring durability and protection against water damage during use. · Low Power Consumption: Features a low-power processor for extended battery life, complemented by an automatic shut-off function after 2 minutes of inactivity to conserve energy. · Portable and Lightweight: Compact pen-sized design weighing approximately 30g, easy to carry and store for on-the-go water testing needs. · Replaceable Batteries: Powered by two replaceable AG13 button batteries, allowing convenient self-replacement without the need for special tools. Specifications: · Material: PC (Polycarbonate) · Color: White · Battery: 2 x AG13 button batteries (included) · Waterproof Level: IPX6 · Item Size: Approx. 15 x 1.6 x 1.6 cm (L x W x H) · Item Weight: Approx. 30g · Detection Range: 0-9990 ppm with 0.0001 micron filtering accuracy Package Includes: · 1 x TDS Detection Pen · 2 x AG13 Button Batteries This TDS Tester Pen offers a reliable, easy-to-use solution for monitoring the purity of your water at home. Its precise detection capabilities, waterproof design, and portable size make it an indispensable device for ensuring safe drinking water anytime, anywhere.