20mw Green Astronomy laser pointer High quality and reliable

POWERFUL Astronomy Laser

Green Laser beam can be seen in

Mid-air 

20mw and 532nm

These lasers are in stock and available immediately.

 Extremely Powerful 20mw Lasers - Exelent standard laser not too strong and not to powerful

 Working hours: About 500 hours

 Portable Pen Style Green Laser Pointing device

• Brighter (> 50 times) than a red laser pointer
• Provide 532nm green laser wavelength
• Powered by 2 x AAA Battery (Included)
• Output Power up to 20 mw
• The green beam itself can be seen in mid-air in dark conditions, not just the laser beam dot.
• This pointer is based on the use of Diode Pumped Solid State Frequency Doubled (DPSSED) laser technology.
• Dimension: 168mm(L), 13.5mm(Dia)
• Pressure button switch

   

  Uses of Green Laser Pointer Pen

   

  

   

  
  Packing includes

-Let you find the star, pierced through the sky

-Applicable to medical teaching (X-ray films to teach science)

-As a guideline for museum, various exhibitions

-For climbers, mountain residents and site inspections