I want to buy a little dot mark I, the 18V charging version not the 9V version.
I have the 9V version and it's so weak, even on high gain, I want to see if the 18V version is better, or I will off for little dot at all.
I have the 9V version and it's so weak, even on high gain, I want to see if the 18V version is better, or I will off for little dot at all.





