Product Description Description Control PM2.5 & CO2 to create healthier, more productive living environments. Particle Sensor: PM2.5(0.3µm – 2.5µm), PM10., air flow control, dust protection mechanism Screen -5 inch LED wide screen. 800 × 480, True colour Battery – Rechargeable Li ion, 5 hours in standard use, charging using standard micro USB, power consumption 0.8 mA max Wireless connectivity: 802.11 v/g/n 2.4gHz, configurable directly from the device or from the mobile app. Certification: FCC, CE, RoHS Auto power saving Time network sync Data logging up to 5 years, access through Samba Features: Displays real-time PM2.5 and CO2 (400ppm to 10,000ppm) levels by combining laser technology and artificial intelligence. Also measures temperature (-10⁰C – +40⁰C) and humidity (0-100%) in the air. Designed for medical-grade standards to specially benefit those who suffer from asthma, COPD, lung cancer and high blood pressure. Contrasts real-time indoor with local outdoor air quality, offering tailored recommendations for you to optimize your activities in the healthiest environments, indoor and out. With the help of Advanced Analytics, it provides detailed figures on 6 key pollutants for 8,000+ locations in 35+ countries. Bright LED display compares indoor readings with outdoor data, from the nearest official station, by collecting cloud data so users know when to ventilate, go outside or stay inside. Provides 3-day outdoor air quality forecasts, allowing you and your household to plan your activities for optimized health and wellbeing.