[Photo provided to China Daily]
Phicomm AM1
This is an intelligent device to measure air quality at home. It can monitor levels of PM2.5, formaldehyde concentration, temperature and air humidity, and update the data to an app on your phone through Wi-Fi. The device has a high-accuracy PM2.5 laser sensor and a large-capacity battery.
China has extended its 240-hour visa-free transit policy and Hainan's 30-day visa-free entry policy to citizens of Kyrgyzstan and Vietnam, the National Immigration Administration said on Aug 20.
