$6.95
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Takes in 120 VAC. Spits out 12 VDC. Powers a ZEN31 just fine (rated 24W, was able to push it to almost 30W).
Red LED resembles the eye of a Portal turret. Has not engaged targets, made pithy comments or begun singing opera at this point. Will update review if this changes.
In all seriousness, this is a great DC supply. Get one.