Monitor the air quality around you with our advanced Handheld Air Quality Detector, designed for portability, accuracy, and convenience. Crafted with durable ABS material and equipped with a high-precision gas sensitive semiconductor sensor, this device delivers reliable and fast measurements of formaldehyde (HCHO), total volatile organic compounds (TVOCs), and other air pollutants in various environments. Its intuitive large screen display ensures clear and visible readings, while multiple alarm modes allow customization for different monitoring needs. Key Features: · Portable and User-Friendly Design: Compact handheld air quality tester with an upgraded large screen display, allowing for easy reading of air quality levels anytime, anywhere. · High Accuracy Gas Detection: Utilizes a sensitive semiconductor sensor for precise measurement of HCHO and TVOCs, providing trustworthy air quality data. · Rapid Sampling Rate: Delivers air quality readings every 1 second for fast and efficient detection of pollutants, helping you take timely action. · Built-in Rechargeable Lithium Battery: Powered by a 3.7V 400mAh lithium battery for extended use, rechargeable via the included charging cable for convenient power supply wherever you go. · Multiple Alarm Modes: Customizable alarms alert you to varying levels of air pollution, ensuring safety across different environments. · Wide Range of Applications: Ideal for indoor air quality assessment in homes, offices, schools, and other spaces to safeguard health and well-being. Specifications: · Material: ABS · Sampling Rate: 1 Second · Power Supply: Built-in 3.7V lithium battery 400mAh Package Includes: · 1 x Handheld Air Quality Detector · 1 x Charging Cable This Handheld Air Quality Detector combines accuracy, speed, and portability to provide real-time air quality monitoring. Whether you want to test for formaldehyde, volatile organic compounds, or general air quality, this reliable device is an essential tool for maintaining a healthy indoor environment.