I use it to check the thin inside (inner diameter) of the instrument.
On 2017-09-09 15:05:58
The light emitting part is not small and it does not get in the way, and the brightness is also quite effective so I use it effectively.
There is also a flashing function, but I do not need it so I think that it will become easier to use if it becomes simple by that much.
It is not used in ear hook.
I am looking for various things and I am trying, but for now it seems that there are no products to win.