Powermaster 20mw Green Laser Pointer Pen 532nm

Package Content
* 1 x Laser Pointer
* 2 x Battery

this also makes it
more noticeable than other laser colors.
* Wavelength: 532 (nm)
* 100% Brand new high quality product.
* Distance range: >2000m
* Operation Lifetime: 5000(hours)
* Cautions: Avoid direct eye exposure to laser
* Output Power <20mw (class IIIb)
* Operation Current: <250ma
* Starting Current: 2.3v
* Switch Push Button
* Easy to used.
* Weight: 200g

Features:

* This laser pointer is significantly brighter (about 50 times) than a red laser pointer,
utilizing the very latest in green laser technology.
* The brightness and green color comes from using a wavelength of 532 nm,

Green laser is the most sensitivity light source for human naked eye.