Welcome to our store! 1, Multifunction: This presentation clicker combines hyperlink, volume control, page up/down, full screen, black screen, multimedia playback and pause, and closing the current window in one function. 2, Long Range: The wireless presenter remote supports a 30m/98.4ft remote control distance and a 200m/656.2ft transmission distance. Bright red light, easy to see against most backgrounds. 3, Compatible: Supports wireless presentation for Windows XP 7 8, for OS X, for Linux, for Android systems. The wireless presentation clicker supports PowerPoint, Keynote, Prezi, Word, Excel, ACD See, iWork, etc. 4, Red Light: The wireless PowerPoint remote's red light is easily visible against most backgrounds and can be used to highlight key parts of a presentation. 5, Easy to Use: The wireless presenter is the perfect tool for your presentations, teaching, and meetings. Powered by 1xAAA battery (not included). Plug and play; connect the USB receiver to your computer and use the presentation clicker. Item Type: Presentation Clicker Material: ABS Remote Control: Radio Frequency Technology RF Frequency: 2.4 GHz Control Distance: Approx. 30 m/98.4 ft Radial: 3R Optical Maser Output Power: <5mw Distance: Approx. 200m/656.ft Wavelength: 650nm (red) Operating Voltage: 1.5V Sleep Current: <10uA Battery: AAA x 1 (not included) Operating System: for Windows XP 7 8, for OS X, Linux, for Android USB Version: Compatible with USB1.1, USB2.0, USB 3.0 Package Includes: 1 x Presentation Clicker 1 x USB Receiver 1 x User Manual 1 x Storage Pouch Customer satisfaction is our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.