5V laser head laser diode semiconductor laser dot copper tube outer diameter 6MM 

Black is negative positive red 

Wavelength: 650NM Power: 5MW outside diameter: 6MM 

1: pay attention to the safety of the laser cell, to prevent others from demolition burning electric power pool cause a short circuit or battery explosion. 

2: The principle of laser emission and particularity generation process determines the laser light with a general do not have the characteristics: namely Miyoshi (color is good, good coherence, direction) a high (high brightness). 

3: mainly used in laser toys, all kinds of level meter, instrument, such as ground 

Making electronic pointer pen: When the teacher lectures, students with a laser projection point drew concept investigation thinking. 

Model Number: Laser Dot Diode

Package Include: 1 x Mini Laser Pointer