HIGH QUALITY PRESENTATION CLICKER: Environmentally friendly ABS plastics; Scientific ergonomic design; A plug-and-play wireless receiver; Buttons:Display of black screen,next,previous,full screen,on/off switch;One-touch keys easy to control slideshow;Hold down the button to keep the pointer light on; Long Distance Control : The wireless range of our presentation clicker is up to 328 ft(100 metersIn an Open Environment) and the largest distance of the red light presenter remote is 656 ft. Therefore, please rest assured to use the PowerPoint Presentation Remote for a meeting, a teaching or a speeching. Simply Plug & PlayThe PowerPoint clicker for Powerpoint presentations supports full screen, black screen, page up, page down, red light all the basic functions on a presentation. There’s no software to install, just plug the receiver into a USB port to begin. Widely Applicable: Presentation pointer support systems: Windows 2003/ XP/ Vista/ 7/ 8/ 10, Mac OS, Linux, Android; pointer presenter support software: PowerPoint, Google Slides, iWork (Keynote & Numbers & Pages), Prezi, PDF, MS Word, Excel, ACD See, Website, etc. PACKAGE INCLUDES: 1x Wireless Presenter , 1xUSB Receiver, 1x Instruction Manual. (NOTE: Need 2x AAA Batteries,Not Included ).