I used a lamp so that I can understand the operation state of the ventilator. The orange light turns on when it is on. If you have electric construction knowledge, I think that it is unnecessary and easy to use.
A placemark where you want a power distribution indication
On 2016-06-30 12:20:48
I use it in the office environment in the daytime, so I wonder if the brightness is low, I think that it is a bit brighter if it is the current LED. If it is a late night SW marker, I think that it is exact brightness.