1.recorder pen . 2.laser pointer . 3.page up and down . 4.record ,usb charge . ... Product name :remote control recorder pen .Technology: infared technology .Function:laser pointer ,page up and down ,record , usb flash drive,carder ... reader ,ballpen .Control distance: 15m.Laser distance:200m.laser output:<1mw (Class II),<5mw(Class III).laser wavelength:532nm.Dimension:14.7*1 ...