Are these LED's or cold cathodes?

dman777

dman777

New Member
#1
http://www.youtube.com/watch?v=BRPicezXDzk

I can't tell in this video if the green light is some super strong LED's or some cold cathodes. I am not fully convienced that these are cold cathodes because that type of light isn't as deep/rich as LED's and these are seem to be a dark rich green. What do they look like to you?
 

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