Problem with the brightness of the beam

I got a laser today & i used it for about 10 minutes & it was really bright etc & now it is really dim & hard to see & i have tried new batteries etc but still dont work what can i do to fix it?

이 질문에 답하기 저도 같은 문제를 겪고 있습니다

좋은 질문 입니까?

점수 1
댓글 달기