1.Laser Pointer with Remote Control 2,15meter in control 3,Both green & red laser 4,Fit for Work&entertainment ... LED will flash 2 times.If the product can't page up/page down as usual,Please re-synchrony again.3.The ... projectors,large-size LCD TVs,large LCD displays,rear projection TV for video playback,video presentations ideal for remote control of computers.3 ...