5mW Green Laser Pointer Pen for Powerpoint Point Wavelength : 532nm Max. Output : < 5mW looking like an extra long ... ( Dia. x L)-- Body Color: Black-- Extremely bright green laser at 532nm wavelength.-- Range of approximately 12,000 feet and clearly ... , engineers, doctors, managers and more.-- Use your laser pointer to point at any desired targets on projection screens, video monitors, and presentation ...