PRODUCT DESCRIPTION:Keep your colleagues and your kitties at rapt attention: the bright red laser will easily highlight points on almost any surface， and in daylight or darkness. The elegant styling of the laser housing is appropriate for formal settings or your living room. Go ahead， make a point!Product Features:Laser Wave Length: 532nmOutput power:<5mw>Expected Life: over 5，000 hoursTECHNICAL SPECIFICATIONS:Bright red point is highly visibleExcellent for classrooms， meetings， presentations， toursAlso makes a nifty cat toyUses 2 x AAA batteries