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LKNJLL Air Quality Monitor Seesii Multifunctional Indoor Pollution Detector Meter for Formaldehyde, PM2.5, PM1.0, PM10, HCHO, TVOC, Temperature and Humidity AQI Test, Real Time Air Tester with LCD Scr

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  • 1.Support large color display,24 hours real time monitoring.
  • 2.Laser PM2.5 test probe is used to support PM1.0, PM2.5 and PM10 detection.
  • 3.Support different interface display, more humanized.
  • 4.PM2.5 super alarm and timely alarm,HCHO and TVOC super alarm and timely alarm.
  • Thank you for your trust and support! wish you a happy life.

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Product description

Handheld PM2.5 detector air quality monitor Formaldehyde(HCHO) gas analyzer meter diagnostic tools Temperature and Humidity

This product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <;;

2.5 micron-sized particles (PM2.5/1.0/10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of formaldehyde (HCHO), total volatile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital LCD display.

1.It candetect PM2.5/ PM1.0/ PM10/ HCHO/ TVOC/ AQI/ Temperature/ Humidity,high accurate,effective and practical.

2.Simple operation screen,high speed ARM main program.

3.Suitable for car, new house, office environment and a variety of occasions.


Display method: 2.8” screen display, 320 x 240 pixels

Atmospheric pressure: 86Kpa - 106Kpa

Sampling time: 1.5 seconds

Product Size: 155 x 87 x 35mm

Detection temperature: -10°C to 50°C; 14°F to 122°F

Relative humidity: 20% - 85%

Storage temperature: -10°C to 60°C; 14°F to 140°F

Concentration unit for HCHO and TVOC: mg/m³

Power source: Lithium battery with 1500 mAh capacity; 5V DC power charging

via micro USB port

Product weight: 350g

More specifications

Product Name

Multi Gas Detector


PM2.5/PM1./PM10 technolology
Laser Scattering



TVOC technolology
Semiconductor sensor

ARM ,High-speed complex calculations

Detection range

PM2.5 ( 0-999 ug/M³ )



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