Comprehensive Air Quality Monitoring: This indoor air quality monitor integrates detection for HCHO, TVOC, CO2, temperature, and humidity, providing a complete overview of air and environment quality for home, , or outdoor use. Fast & Accurate Detection: The air quality tester features high-sensitivity sensors with 3-second rapid response, offering percentile-level . 360° coverage ensures real-time detection with no blind spots, accurately protecting your respiratory health. Portable Ergonomic Design: This air quality detector is compact and comfortable to hold, equipped with a dedicated lanyard for easy carrying or hanging outdoors. Effortlessly fits into your bag or pocket for daily convenience. Long Battery Life & Intelligent Alerts: With a 750MA battery, this air quality meter provides long-lasting performance and worry-free continuous monitoring. -saving auto sleep after 10 minutes of inactivity extends battery life. Smart Safety Warnings: The CO2 meter TVOC HCHO temp humidity detector uses advanced sensitive detection technology to trigger automatic alerts when harmful gases like formaldehyde exceed safe levels, keeping you protected every moment., Weight: 0.220462262 Pounds, Manufacturer: HWIREUIGT