50mW 405nm Handheld Violet Purple Blue Laser Pointer Pen

Product Discription:

 Mode :852
Well tested and high quality laser pointer.
Easily to use, only need to push the button then you can see striking Violet Purple Blue laser beam shoot forth. The light can point at any targets such as photos, blackboard, video monitors and so on.
Best choice for teachers, professors, doctors, etc.
Clearly visible in the dark.
Output Type :Fixed focus, continuous output and working time is longer than ordinary laser pen
Wavelength:405m
Output power: 50mW
 Beam Distance：Over 1500m(Under the influence of air quality,maybe can't)
Working Voltage：DC=3V
Trigger Voltage：DC=2.8V
Working Temperature