Hey guys Im planning on buying a laser but I dont want to go about 50mw because Im going to get the laser to prove to my friend that they can >10miles. But the only problem is that Will mW increase or dcrease the seeing distance? I understand about the weather and atmosphere but I want to if mW can affect distance. If it doesnt Which Laser wuold be safe for outside use and can go REALLY far? Im new to this laser thing guys