1.IR laser pointer 2.infrared 0.3MW 3.telescopic pointer 4.fold 32 inches/unfold16.5 ... ,ball pen, Magnet pointer1. Infrared Laser pointer: infrared laser pointer 0.3MW, applicable to school-teachings, exhibition presentations, meetings and other ... (dia.)×41.5(L)cmTotal Length (unfold: condition):81.5cmPower output:<0.3 mwUse 3 LR41(AG3) batteriesPackaging:individual buble bag 500PCS ...