Cheap flow detection technology monitoring equipment handheld HCHO TVOC CO2 AQI air quality monitor

[multi function and Science] the newly upgraded indoor air quality monitor has built-in dart electrochemical sensor. The air
quality tester can accurately evaluate various measurement methods of air quality, including formaldehyde (HCHO), total natural and synthetic volatile organic compounds (TVOC), CO2, while the size of fine particles is less than 2.5 μ M (PM2.5), and PM10.Real time local outdoor air quality readings and real-time gas monitoring to prevent any respiratory disease.
[kilobit accuracy, inductive sensitivity] the measured values are accurate to 0.001mg/m3, and the high-performance chip makes the digital detection signal amplification and anti-interference software algorithm and data more accurate. Real time automatic update value, more sensitive and accurate.
[multi scene available] the indoor air quality can be sampled and checked at any place or the equipment can be turned on for continuous monitoring. This portable air detector can help monitor the air quality of homes, kitchens, bedrooms, offices, schools,cars, hotels, travel, camping and other places, especially for infants, children and pregnant women.
[simple operation] equipped with large LCD screen, wide viewing angle and easy to read. By pressing the function key, the air monitor is easy to operate, and the specially designed English page can be changed by pressing the middle button five times continuously. When the harmful substances exceed the standard, the corresponding area will flash to remind. Built in 2000 Ma rechargeable battery and a USB cable, standby time can be up to 8-12 hours, no need to worry about power issues.
[health and environmental protection] the air quality monitor is made of ABS material, with good hand feeling, non-toxic,
environmental protection and durable. Package includes: 1 air quality detector, 1 USB cable and 1 user manual.

Packaging: 1pcs/cartonShipping way: DHL/UPS/TNT/Fedex/EMS/e-Packet/Air shipping etc.
Delivery date: 3-6 days by DHL to US, UK,Italy, Spain, Germany and most other countries.
Delivery Time:
1: Sample for 1-3 working days
2: Bulk Order production time 5-15 days, depends on quantity

Reliable quality promised

1. who are we?
We are based in Shanghai, China, start from 2020,sell to North America(00.00%),Southeast Asia(00.00%),South Asia(00.00%),South America(00.00%),Eastern Europe(00.00%),Africa(00.00%),Oceania(00.00%),Mid East(00.00%),Eastern Asia(00.00%),Western Europe(00.00%),Central America(00.00%),Northern Europe(00.00%),Southern Europe(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Oxygen Concentrator

4. why should you buy from us not from other suppliers?
Mutiple platform purchase plans.We support alternative shopping options from other platforms with more than 1,000 online stores on Amazon,Ali express, Ebay, Lazada,Wish, Shopify. etc.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,MoneyGram,Credit Card,PayPal,Western Union;
Language Spoken:English,Chinese,Spanish,Japanese,French