Material Science: ABS Size: 15 * 3 * 1.5cm/6.1 * 1.2 * 0.6inch Color: White/Yellow Feature: 1. Multi parameter detection: The multifunctional water quality detection pen can simultaneously measure multiple water quality indicators to meet the needs of different scenarios. 2. High precision sensor: Built in high-sensitivity sensors ensure accurate and reliable measurement data, suitable for home, laboratory, or industrial use. 3. Quick response: The detection speed is fast, usually displaying results within a few seconds, improving efficiency. 4. Portable and compact: The design is compact and lightweight, easy to carry, suitable for outdoor water source detection or daily household use. 5. Widely applicable: It can be used in various scenarios such as drinking water, fish tank water, swimming pool water, farmland irrigation water, etc., to meet diverse needs. Attention: 1.Due to manual measurement, there may be a 1-3mm error in product dimensions. 2.The color of the product may have errors due to objective reasons, and the actual product is the main focus. The product includes: 1 * multifunctional water quality testing pen