Newmen P015 Wireless Presenter, Rechargeable Powerpoint Remote, 2.4GHz Powerpoint PPT Clicker Presentation Remote Control Pointer Pen (upgraded-black) Brilliant red laser pointer is easy to see on any presentation screen--even in a brightly lit room Power supply AAA batteries(included). Battery-power indicator, On/Off switch,OFN,Page Up/Down, Play/ESC/Black Screen,Volume +/- 2.4 GHz wireless USB receiver for plug-and-play simplicity with any computer;Up to 15 meters effective operating range Optical Finger Navigation(OFN),function as a mouse.Control cursor by touching and moving your thumb over it;Press it to work as left button of mouse;Press it by 2 seconds and then release,which works as right button of mouse Built-in battery cover stores receiver for easy pack up and portability