When HN users recommended it
1 HN user recommended this in 2013, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2013, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
I was thinking of something like http://www.amazon.com/First-Alert-SA320CN-Double-Battery-Pow... for $20.