Features: 1. Air quality detector has 1200mAh rechargeable lithium battery and packed with data cable, the charging time is about 4h, and the standby time is about 240‑360 minutes. 2. High definition LCD screen, the measurement results are displayed on the high definition screen, large and easy to read, easy to operate and easy to use. 3. The compact and lightweight design is easy to transport and can be easily measured from one room to another. It is widely used in homes, offices, enterprises, governments, schools and automobiles. 4. The air quality detector can be used to understand the air quality general situation of homes, workplaces, schools, daycare centers, or any other place. 5. It is also an indispensable tool for property inspections or use any household tools to check if there is an abnormal amount of toxins released. Specification: Item Type: Air Quality Detector Material: ABS Color: As shown in the picture Product Size: Approx. 118x70x34mm / 4.65x2.76x1.34in Weight: Approx. 226g / 8oz Display Mode: LCD Working Voltage: 5V Start Up Preheating: 120s (only formaldehyde TVOC induction) Screen Digital Display Error Floating: 3%-30% Battery Capacity: 1200mah 18650 Lithium Battery (Built-In Battery) Charging Time: About 4h Standby Time: About 240-360 minutes Application: It is widely used in homes, offices, enterprises, governments, schools and automobiles. Package List: 1 x Air Quality Detector 1 x Instruction Manual 1 x Data Cable Features Rechargeable Lithium Battery: Equipped with a 1200mAh rechargeable lithium battery, our air quality detector ensures long-lasting performance. Stay informed about air quality anytime, anywhere. High Definition LCD Screen: The high definition LCD screen provides clear and easy-to-read measurement results. Effortlessly monitor air quality levels with a quick glance and navigate through the settings with ease. Portable and Lightweight Design: With its compact and lightweight design, our air quality monitor is highly portable. Easily move it from room to room and monitor air quality in homes, offices, schools, and more. Comprehensive Air Quality Assessment: Our multifunctional detector provides a general understanding of air quality in various settings, such as homes, workplaces, schools, and daycare centers. Stay informed and take necessary measures to improve air quality. Essential Tool for Property Inspections: Use our air quality monitor to detect abnormal levels of toxins and ensure a healthy environment. It is an indispensable tool for property inspections and ensuring safety in residential and commercial spaces.