Feature:
This is HIGH POWER 100mW and 150mW green laser pointer, you will amaze it is how powerful ,this is the best astronomy educational tool you've seen. At night this AAA battery powered green laser pointer can seemingly touch the stars millions of miles away. Compared to a red laser pointer, the green beam remains visible and penetrates the air much farther. Because of its particular spectrum you see the beam and not just the end dot. Also, it's about 50 times brighter than an ordinary red laser pointer -- using the same safe low power. On a clear night it can easily shine a dot a mile away. With its sharp laser beam you can pinpoint the exact star you want, which greatly accelerates mapping and learning the constellations. you've been amazed at how much faster I've learned the heavens with one of these in hand

Specifications:
Available color:	Black coating
Dimensions (L x ):	140(L) x 22()mm
Battery Life:	2 hours
Wavelength / Power::	532nW/100mW or150mW
Operation:	ON/OFF touching button
Project distance	25000feet away.
Battery:	Alkaline AAA x 2pcs
Dot Size:	18*18mm at 10M distance
Package	EVA+Paper box