Green laser pen

4.When you in the electronic teaching, the demonstration draft, and the report lectures, when needs the note explanation regarding the key content, as soon as only needs the hand to press green laser to be possible gently to map, in you need to emphasize on documents content screen; Simultaneously regardless of you in classroom, lyceum which corner, makes the scene interaction in conference room behind and the listening person, as soon as only needs you to press gently turns the page laser pointer wireless, you want the picture automatic appearance on the screen

.3.is the lecturer, the commercial public figure in the teaching, the lecture, the conference and so on situation instruction key ideal tools.

 2. uses the long life thioindigo red laser mold train. The operating time is 3000 hours.

1.Uses the upscale material quality. The outward appearance is attractive.\

Uses the upscale material quality. The outward appearance is attractive. 2. uses the long life thioindigo red laser mold train.