Overview: 1.Multifunction Quality Monitor utilizes PM2.5 laser detection sensor technology, we keep the most important and essential parts for a good quality monitor high accurate for testing. It can be widely used in household, office, car and many other environments. 2.TVOC /HCHO /PM2.5/ PM10 /Temperature / Humidity 6in1 multifunctional quality detector,with stand, Large LCD Color Screen easy to read the testing result, more convenient to use for indoor detect. 3.Latest Anti-interference Technology, with digital detection signal amplification, hardware and software arithmetic, more precise reading., perfect for the environments, such as house, car and office , etc.. Features: Accurate detection of PM2.5,PM10,TVOC,HCHO,temperature,humidity PM2.5 measurement solution uses laser scattering particle acceleration, faster and more accurate 3D convection holes, more accurate detection Built-in 2000mah lithium battery (USB charging) quality record and analysis 24 hours a day for detecting Specifications: Model:DZ8600 Display: LCD Charging Power:5V Battery Capacity:2000mAh Lithium Battery. Power supply:USB Average current:220mA Operating Temperatrue:0-40 Operating humidity: 20%RH~80RH% Warm-up: 30 seconds Response time: