Specification :
(1) Blue Violet laser pointer
(2) Wavelength: 405nm
(3) Battery: 3XLR44
(4) Dimension :14x 85mm
(5) Output power: 1mw-20mw
(6) Transverse Mode: TEMoo
(7) Switch: Momentary switch
(8) Expected Lifetime: > 8,000 hours
(9) Body Material: Brass

Feature
Keychain style
Well tested and high quality blue laser pointer
Clearly visible in the dark
Fixed focus, continuous output
Using long lifetime chip, more than 8000hours

Application Area:
Teaching / lectures
Museums ,Gallery guides
Bars, KTV, clubs, concert site
Money detector