Affordable air quality monitoring device with simple setup that provides all environments data for observations CO2,VOC,PM,pressure,temperature, humidity for a healthy environment.

IT,翻墙，金融，岛国

-即使身处黑暗也要紧握住光
-脾气古怪仍然是要做善良的人
以上

一名文学少女 Currently in Beijing
● 2.5次元星人 水瓶
● 阅读 摄影 ACG 摇滚乐 电影 诗
(。・・)ノ

I come from China. which is a nation with long history of culture.I'm a senior high school student who is peace-louing and firendly.I want to learn about culture of America.I can play Dizi a musical instruments.I like to travel ,take a picture, and so