Digital Formaldehyde Detector Hygrothermograph Alarm Clock Carbon Dioxide Tester Air Quality Monitor Gas Analyzer

Features:
Highly accurate indoor and outdoor air quality monitoring system with professional grade detection technology.
Can detect HCHO, TVOC, CO2, PM2.5, PM10, temperature, humidity, and can also set and diaplay time, alarm clock, and calendar.
Large LCD display with backlight, convenient for your reading anytime.
Real-time local outdoor air quality readings and real time gas monitoring to prevents any respiratory disease.
Suitable for using in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, outdoor environment, etc.