About This All-Inclusive Air Quality Assessment: The M10+ tracks CO2 levels, fine particulates (PM2.5), volatile organic compounds (VOCs), and also measures temperature and humidity, encapsulating all vital aspects of indoor air quality. Real-Time App Connectivity: Utilize the Temtop app for air quality updates, historical data analysis, and convenient device calibration, all from your smartphone. The product also supports app connectivity for OTA (Over-the-Air) updates, ensuring that your device is always up-to-date with the latest features and improvements, making it truly never out of date. Extended Battery Life through Innovation: Thanks to an energy-efficient algorithm and the e-ink display, the M10+ achieves up to 60 days of battery life, minimizing the need for frequent recharging and ensuring continuous air quality monitoring. Precision Engineered for Accuracy: Advanced sensors deliver precise readings of air pollutants and climate conditions, ensuring reliable and actionable air quality information. Silent Monitoring & Alerts: The M10+ allows users to disable the buzzer alarm, ensuring uninterrupted peace during air quality monitoring. This feature is particularly beneficial for night-time use, making it an ideal companion in bedrooms without disturbing your rest. Overview Brand : Temtop Item dimensions L x W x H : 3.2 x 1.2 x 3.2 inches Material : Metal, Plastic Item Weight : 9.6 ounces Style : Modern, Minimalist, Compact, Functional