Techology: infrared Function:page up/down,laser pointer, blank screen Power on/off led flashlight, laser pointer Card shaped Presenter with Red Laser pointerControl distance: 15M/49feetLaser distance: 200mLaser output power: less than 1MW( class 2), less than 5MW(class 3)Laser wavelength: 650nmMaterial: plasticBattery: 2pc CR2016USB plug and play, no drive required