clicker support Hyperlinks, Volume Control, Full Screen, Black Screen, Switching Windows, Page up/down; Plug & Play, no need to install driver. Silicone push-button provides a soft touch feeling for your thumb. A raised bump on the button offers a clear signal to prevent pressing the wrong button.Presentation clicker combines the functions of hyperlink, switch windows, page up, page down, full screen, black screen. Plug & Play, no need to install software (For Mac, may requires simple set-up)Environmentally friendly ABS shell design, using 2.4G RF chip, 360 degree free control, no direction restrictions, control demonstration is not disturbed. The Presenter demonstration is remotely controlled up to 50ft, so you can move around the room and interact with your audience.Wireless clicker for PowerPoint presentations, easy to see against most backgrounds, can be used to highlight key parts of a presentation.(Battery No Included)