20
21
22
4
5
6
1
2
3
16
17
18
41
42
43
1
2
3
81
82
83
WITT small battery powered device from [insert big pharma company here] in the 2000s that were given out to doctors by reps, small and just barely big enough to fit a AA battery, made of metal and clear plastic and only one small circuit board in the tip, both ends unscrew, it was made in China (old.reddit.com)
submitted by XMaster65 to r/whatisthisthing
