Complaint
| Product name | Air Quality Monitor Gas Detector 7 in One |
| Material | ABS |
| Color | White |
| Weight | 350g |
| Product size | 155*87*35mm |
| Temperature unit | Between Celcius and Fahrenheit Switch |
| PM2.5 Sensor technolology | Laser Scattering |
| HCHO/TVOC technolology | Semiconductor sensor |
| Detection range | AQI(0-500) PM2.5(0-999ug/m3) HCHO(0.001-1.999mg/m3) TVOC(0.001-9.999mg/m3) |
| Power supply | Rechargeable Li-battery 1200mah including USB charge cable |
| What are included | Main Unit*1+ manual*1+charging cable*1 |
| Packing | 50pcs/ctn |
| Carton size | 510*300*450mm |
| N.W | 18KG |
| G.W | 20KG |
What are included: Main Unit*1+ manual*1+charging cable*1
Langder Technology Co.,Ltd is a modernized comprehensive scientific research enterprise which was established in March 2013, located in Shenzhen City, Guangdong Province China.
1. who are we?
We are based in Guangdong, China, start from 2013,sell to North America(25.00%),Western Europe(20.00%),Southern Europe(13.00%),Eastern Europe(9.00%),Northern Europe(8.00%),South America(7.00%),South Asia(5.00%),Eastern Asia(5.00%),Southeast Asia(5.00%),Central America(2.00%),Mid East(1.00%). 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?
Air Quality Monitor, CO2 Meter, Geiger Counter, Decibel Meter, Alcohol Tester
4. why should you buy from us not from other suppliers?
1.Accept customized OEM orders . 2.We provide one-year warranty and lifetime service for customers. 3.Accept third-party inspection service to guarantee quality for you. 4.our products are Private,develop and produced by our factory independently.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
