FineAir凡爱 PM2.5检测仪

FineAir凡爱 PM2.5检测仪
激光高精度专业空气检测霾表家用手持式
RMB 378 (both on websites of taboo, tianmao )

http://www.ifineair.com/ProductDetails.aspx?Id=30

https://detail.tmall.com/item.htm?spm=a1z10.5-b.w4011-15262002660.21.10298d9a3Oy96D&id=540680572834&rn=b009418b6814462fcf6227c572afa01d&abbucket=20

Another product is as below
Fine Air凡爱专业甲醛检测仪器
家用测室内空气质量自监测试仪量盒
¥699.00 (both on taboo, tianmao)