If you are into stargazing at all you know how hard it can be to point to a specific star. Or if you just cant leave new awesome gadgets alone then the 5mw 532nm Astronomy Powerful Green Laser Pointer is defiantly something to check out.
This green laser is so powerful that if you point it into the sky at night you can clearly see the beam extending way past 12,000 ft. This is ,as stated above, very useful for star gazing. This baby outputs about 5mW and operates on 532nm wavelength. Even if you are not into stargazing this laser will impress everybody at your presentations.
As with all lasers never shine this into anybody eyes as this is a very powerful laser and could blind them permanently. The best thing about this laser is that it only costs $4.51 so its worth it even if you just want to play around and impress your friends with it.