Technical parameters:
Key Feature:: Green Laser
Wavelength : 532nm
Beam Color : Green
Output power: 3000mw laser green
Range :5000m

●The high powerful 3000mW green laser is particularly complete : it has a knob that allows you to focus the beam to make it more visible and more powerful, it also has a closure on key security - important for a laser that power . Its security system is an important criterion to restrict access to children or anyone not mastering precautions .
●The 3000mW green laser is an extremely powerful laser , with beautiful finishes , closer light saber that the laser pen!
●This green laser pen is currently our most powerful laser. It is recommended that outside and is ideal for astronomical use, its beam is particularly visible at night . Its beam is also visible by day, when the brightness decreases slightly . Range of about 5 km .
http://www.laserpowerful.com/green-laser-pointer-3000mw.html