1、Multifunctional Measuring Tool: The water quality tester meter is more than just a simple device. It's a comprehensive tool that measures temperature, pH levels, TDS levels. 2、Fast and Accurate Readings: Equipped with advanced technology, this meter promptly delivers accurate readings, offering you convenience and exactitude in measuring water quality. 3、Versatile Applications: Whether you're checking the water quality of your home or monitoring the conditions of a swimming pool, this water tester meter is perfect for various settings and provides reliable results. 4、Portable and Compact: Lightweight and portable, the water quality test pen is easy to carry and store, perfect for travelling, camping, or any outdoor activities where water quality testing might be necessary. 5、Long Lasting Design: Crafted with high toughness ABS materials, this water testing device is not only solid and reliable but also built to last, ensuring you can use it for a long time. Item Type: Multifunctional Testing Pen Material: ABS Battery: Requires 3 x LR44 Button Battery (not included) 1 x Testing Pen 3 x Accessories 1 x User Manual