Techology: infrared
Function:page up/down,laser pointer, blank screen
Power on/off
led flashlight, laser pointer

 Card shaped Presenter with Red Laser pointer

Control distance: 15M/49feet

Laser distance: 200m

Laser output power: less than 1MW( class 2), less than 5MW(class 3)

Laser wavelength: 650nm

Material: plastic

Battery: 2pc CR2016

USB plug and play, no drive required