Core 5mw Red Laser Pointer ,$20

The world's brightest laser 5mW is now available in red 650nm output of 5mW. This Class IIIR laser offers a great value for any red laser fan and includes a full one year warranty. Stock is very limited and ships first come first ship. 

  Model: CORE 
  Size: 13x148mm
  Wavelength: 650nm
  Laser Body: Black Polished Brass 
  Transverse Mode: TEM00
  Output Power: 5mW
  Beam Divergence: 1.2mRad
  Beam Diameter: 1.5mm

                    http://www.thinklasers.com/core-red-laser-pen.html