Here is my computer WiFi antennae within three feet of the device.
Wifi seems to be unaffected...
I was also having the zigbee crashing issue in this thread.
No one could ever confirm a cause. I now have more of these sensors than previously. My zigbee network still goes down occasionally. 3 times Tuesday, 2 times yesterday, and 0 times so far today, but it comes back up in 14 seconds since I updated to *.152
- Seems like they work.
- They cost $20.
A white label (sticker) could fix that. I'm more concerned about the cords. I'll be adding wire track for esthetics once I am sure that they are all in the best locations.
I have one that I fried with a nonstandard micro usb cable.
Here is what the inside looks like...
Bought from China. I don't think that there is a Chinese word for warranty. 
