cheap sky meter

[Phil]

http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=93983
Now i don't no how these work but read on another forum that they work rely good as a sky quality meter. Any thoughts on this.
Phil
link above

[seeker372011]

??? thermometer???

[h0ughy]

only good for testing the temperature of your mirror probably?:shrug: