Blue violet laser pointer 20mW

Cheap 20mw blue violet laser is often used in the field of presentation and a lot of business trip conference presentation. A small pen type is convenient to carry. The high quality 20mw purple laser pointer pen is useful in the description of the internal meetings,such as lectures, study group .

Blue violet laser pen 20mw is rarely prefered to the green and red ones, it could be used for what others do, which also reflects the individual unique aesthetic taste.  

Product Specifications :

1.Key Feature: blue violet laser
2.Material: Copper
3.Surface Treatment: Rubber paint
4.Operating mode :soft touch
5.Power supply: 2*AAA
6.Wavelength: 405nm
7.Output power: 20mW laser
8.Laser range: 500-10000 meters
9.Working voltage: DC3V
10.Working temperature :0~+30Celsius degree
11.Size : 13mm*147mm
12.N.W:46g
13.Fixed focus: continuous output

Packing Details :
1x 405nm blue violet laser pointer 20mW
2x AAA battery
1x Velvet box with wrapping papers sets