Welcome to our store! 1. Multifunction: Presentation clicker combines hyperlink, volume control, page up/down, full screen, black screen, multimedia playback and pause, and close current window in one function. 2. Long Range: Wireless presenter remote control supports 30m/98.4ft remote control distance and 200m/656.2ft reading distance. Bright red light, easy to see in most backgrounds. 3. Compatible: Wireless presenter supports Windows XP 7 8, for OS X, for Linux, for Android systems. Wireless Presentation Clicker supports PowerPoint, for Keynote, for Prezi, for Word, for Excel, for ACDSee, for iWork, etc. 4. Red Light: The wireless PowerPoint remote control's red light is easy to see against most backgrounds and can be used to highlight important parts of a presentation. 5. Easy to Use: Wireless presenter is the perfect tool for your presentations, teaching, and meetings. Powered by 1x AAA batteries (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: 2.4GHz Control Distance: Approx. 30m/98.4ft Radial: 3R Optical Maser Output Power: <5mw Distance: Approx. 200m/656.ft Wavelength: 650nm (Red) Working 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 1 x Presentation Clicker 1 x USB Receiver 1 x User Manual 1 x Storage Bag Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.