Portable Air Quality Detector Digital Formaldehyde Gas Monitor LCD HCHO & TVOC Tester Instrument Meter Air Analyzers for Indoor Home

Are you worried about the formaldehyde of your newly decorated home? Do you know the bad air condition in your car that will cause big harm to you health? Do you want a air quality detector meter that can help you analyze the air around your little baby? Our new arrived formaldehyde detector will help you about this. Good product at competitive price! For the health of all you families, don't miss it!

Features: 
Adopted quality PE material for shell, good touch feeling, non-toxic, eco-friendly and durable to use.
The meter can analyze air quality and detect HCHO and TVOC
Big electronic screen, clear display, convenient for your reading.
Strong anti-interference, detect more accurate.
With usual calibration, the formaldehyde detector will work more accurately.
Suitable for new furniture & decoration, living room, for the new car etc.

Specifications: 
Shell Material: PE
Color: red, orange(optional)
Measure Medium: HCHO & TVOC
Concentration Unit: mg/m3
Testing Range: 0.000——6.000
Testing Temperature: 5℃~45℃
HCHO Range: 0.000~1.999 mg/m3
TVOC Range: 0.000~9.999 mg/m3
Alarm Mode: beep alarm
Relative Humidity: 20%~80%
Working Voltage: 2.4~3.2V
Detection Technique: Semiconductor sensing technology
Working Temperature: -10°C~45°C
Storage Temperature: -20°C~50°C
Battery: 2 * AAA battery (not included)
Item Size: approx. 11 * 6.2 * 2.2cm
Package Weight: 140g / 4.94oz
Package Size: 15 * 10 * 4cm / 5.91 * 3.94 * 1.57in

How to Use?
1. Turn on/off : Turn on the screen ,the tester into measuring interface after 5 minutes warm up. In measuring interface ,long press the ON/FF button for 5 seconds, the tester tun off .
2. Put the battery into the battery case, turn on the tester into measuring interface, place it outdoor or windowsill ventilation for 5 or 7 minutes, press "SET" button for 3 seconds, after the tester "beep" sound, LCD show figure 8 one by one, means the tester complete zero calibration and can start testing.
3. Put the tester on the sofa, desk, floor or inside furniture for 5-7 minutes, after 5-7 minutes, the reading show on the screen is formaldehyde and TVOC content, and then put it on the second plate (there is no need to press "SET" button again), same after 5-7 minutes, same method to change place.
4. After testing, turn off and put it in cool and dry place.

Note: 
When calibrated outdoors, do not close to the roadside, smelly ditch, trash cans, industrial pollution and other places.

Package list:
1 * Formaldehyde Detector
2 * AAA Batteries
1 * User Manual