Features: This?is?Red?Powerful?Laser?Pen?Pointer?Beam?Light?5mW. 100%?brand?new?and?high?quality Useful?kit?for?handy?torch，?office/school?presentation，?etc Output?power:?Max?5mW Output?wavelength?650?nm Press?button?for?ON/OFF Light?weight?and?handy?design，?it?is?very?convenient?to?put?in?bags?or?pockets You?can?use?this?laser?pen?point?to?the?target?instead?of?hands Use?your?laser?pointer?to?point?at?any?desired?targets?on?projection?screens， video?monitors，?and?presentation?graphics Powered?by?AAA?1.5V?x?2?Alkaline?Batteries(?not?include) Specifications: Original?box:?NO Dimension:?137mm(L)?x?12mm(Dia)?(approx) Net?weight:?19g Package?weight:?28g Laser?Color:?Red Pen?Color:?Black Packing?content: 1?x?Red?Laser?Pointer?Pen