Pen shaped, compact, easy to carry and simple to use. Super bright green laser pointer. Good decoration for parties and bars etc. All this wonder and beauty of starry sky will happen in your room and make your party fascinating. Simply press the laser beam button to drive laser pointer, at the same time, turn the cap, laser beam will emit directly from the laser output aperture. Come with five laser heads for use. Powered by 2 × AAA battery included. Output power: 10mw. Output wavelength: 532nm. Illumination distance: 500m.