The air quality discover can discover ambient PM2.5 , HCHO, TVOC, temperature and humidity through a dedicated sensor module, and has a big LCD display screen to display data. In addition, according to the quality of the test object, there is a corresponding grade indication. When HCHO exceeds the standard seriously, there will be a buzzer indication. Really a good helper for family living environment discover.

Features:
Multifunctional Air Quality discover: it can test the PM2.5, HCHO/TVOC, temperature and humidity, real-time all-round discover , Discover the air quality anytime and anywhere.
Mie Scattering Acceleration Measurement: sensitive discover of PM2.5 pollution index, more accurate discover of small particles. 
Temperature and Humidity Compensation Calibration: through the principle of semiconductor humidity sensor and thermal sensor, the temperature and humidity change can be accurately measured to ensure more accurate formaldehyde discover results.
Independent Sensor, AI Intelligent Computing: semiconductor gas sensor, TVOC discover module, real-time display of formaldehyde concentration per cubic meter, TVOC content, etc.
The Intelligent Calibration and discover of SEN+ Algorithm are Accurate: the high-performance chip algorithm has anti-interference, high sensitivity, fast operation speed, and more accurate and stable data.
Convective Air Holes and Bracket Design: 3D convection hole design, close to the sensor, real-time air circulation convection for more accurate discover.
Dual Thousand Digit Display: large LCD digital display, all data are clear to read at a glance.
Built-in Large Capacity Lithium Battery: it is powered by 1400mAh lithium battery, which can be charged by charger, computer, etc., the power supply function is flexible.
Simple Design: small and portable, one-key discover, easy to operate, suitable for home, hotel, rental, office, outdoor, indoor, etc.

Specifications:
Material: ABS
PM2.5/10/1.0 discover Module: Mie scattering principle 
PM2.5/10/1.0 discover Range: 0-1000 (ug/m3)
Formaldehyde, TVOC discover Principle: Principle of semiconductor gas sensor
Formaldehyde Concentration Range: 0-0.25 (mg/m3)
TVOC Concentration Range: 0-1.285
Temperature Discover Range: -20~100℃
Temperature Discover Accuracy: ±2℃
Humidity Discover Range: 10-100%
Humidity Discover Accuracy: ±5
Display Type:: VA LCD display
Battery: 3.7V 1400mAh lithium battery
Item Size: 150 * 64 * 24mm / 5.91 * 2.52 * 0.94in
Package Weight: 190g / 6.70oz
Package Size: 15.6 * 8.5 * 2.8cm / 6.15 * 3.35 * 1.10in

Package List:
1 * Tester
1 * Charging Cable
1 * Manual (English)