5-in-1 Indoor Air Quality Monitor，Indoor Portable CO2 Monitor，TVOC，HCHO，Temperature, Humidity，with Alarm Suitable for Homes，Grow Tents，Offices and Schools

【Protect Your Every Breath】This 5 in 1 air quality tester can real time accurate detect carbon dioxide (CO2), formaldehyde (HCHO), volatile organic compounds (TVOC), temperature and humidity. It is necessary to know the air quality of the place where you live and it can help you understand indoor air quality at a glance.
【Accurate & Reliable】 Equipped with a fast-responding and sensitive high-performance chip, the air quality monitor can precisely capture the weak currents generated during electrochemical reactions. Dual color & voice alerts keep you informed of the current air quality conveniently.
【WIDE APPLICATION】This indoor air quality meter is small and portable, can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, cellars, restaurant, campground and other environments. It is suitable for home air detection, car air detection, grow room, maternal and child room air detection, and public place detection and so on.
【Low Power Alerts】Built with 1200mAh rechargeable battery and packaged with one 5V USB cable, the standby time can last for 10 hours. Never be anxious about low power.
【100% QUALITY ASSURANCE】We are very confident in the quality of this portable CO2 monitor, and provide 12 months warranty or refund for it. Please feel free to reach us if you have any questions about your purchase. We will solve your problem within 24 hours.