Aluminum 2 led light pen 1) 2 - piece white LED light pen 2 )1*AAA battery 3) Size:10x140mm 4) With a pen ... , flight crews, doctors, nurses, police, military...2.Aircraft aluminum housing with push button on/off LED lighting and rotating top cap for ... AAA cell for up to 20 hours of illumination4.Two led, max output 13000MCD5.Complete with pocket clip6.Color could be ...