High Quality Demonstration Clicker: Environmentally friendly ABS plastic; Scientific ergonomic design; Plug and play wireless receiver; Buttons: display black screen, next, previous, full screen, on/off switching; one-touch button for easy Control the slideshow; press and hold the button to keep the pointer lit; Remote Control: The wireless range of our demo clicker is up to 328 feet (100 meters, in an open environment), and the maximum distance of the red light demonstrator remote control is 656 feet. So feel free to use PowerPoint Presentation Remote for meetings, teaching or presentations. Easy Plug and PlayPowerPoint Clicker for PowerPoint presentations supports all basic functions of full screen, black screen, page up, page down, red light presentations. No software to install, just plug the receiver into the USB port and get started. Widely applicable: Demonstration Pointer Support System: 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 Included: 1 Wireless Presenter, 1 USB Receiver, 1 User Manual. (Note: 2 AAA batteries are required, not included).