Key features

• •✔[ THE MOST ACCURATE & SCIENTIFIC AIR QUALITY MONITOR ] Hofun specializes in testing & measuring area for years and adopts the most advanced sensors on our products to assure the accuracy of testing air quality. The most sophisticated laser sensor and semiconductor sensors on Hofun air quality tester enables quick and accurate air quality data gathering, which enables you to keep an eye on the fine particle matters in the air that you breathed.
• •✔[ VERSATILE 5 IN 1 AIR QUALITY TESTER ] Hofun air quality meter is equipped with 5 major function, including, PM2.5 + PM10 + AQI(Air Quality Index) + HCHO (Formaldehyde) + TVOC or VOC (Total Volatile Organic Compounds), covers main influencing factors which pollutes air quality. The air quality sensor is upgraded with newly-designed chip, thus to allow the 5 different functions AQI, HCHO, TVOC, PM2.5, PM10 for real-time measuring simultaneously.
• •✔[ BIG COLORFUL LCD SCREEN & EASY OPERATION ] Hofun air quality detector is equipped with a large 2.8" inch LCD colorful screen and big display. You just turn the air quality meter on and it will show testing results automatically. Also there is an alarm buzz which will remind you when your air quality is unhealthy. All testing results are quantitate rather than vague levels or classes.
• •✔[ 2600 mAh RECHARGEABLE BATTERY ] Hofun air quality detector can handle heavy duty testing work with its large battery capacity. There is a 2600 mAh rechargeable polymer lithium battery which supports air quality sensor with large capacity electricity. It's input is 5V/1A, 3.7V and it takes less than 4 hours to be fully charged.
• •✔[ LIGHT WEIGHT & PORTABLE ] - This air quality tester is only 0.41LB and shares the same Micro USB charging cable with most Android phone, which enables you to take it wherever you go to monitor the air pollution status of your bedroom, office, hotel, or factory. USB charging cable is equipped.