[–] Hand_of_Node 0 points 0 points (+0|-0) ago 

It uses an off-brand temperature measurement system.

[–] cameronbabiak 0 points 0 points (+0|-0) ago 

I moved to China for work a few years ago, and this app is a must have. Also it is interesting to see what other parts of the world are like - especially when disasters like volcanoes or wildfires are active.