... technology, Working Windows more Functions High Quality Red RF Laser PresenterLaser pointer, USB plug-and-playRF technology, ... Working Windowsmore Functions 1,Laser pointer, USB plug-and-play2,Function:Screen page ... .5V6,Operating Frequency:2.4GHz7,RF Power:100mw8,Red Laser Pointer:5mw9,RF technology, Working system: Windows10, ... to contact me. High Quality Red RF Laser Presenter