Welcome to our store! This multi-functional presentation clicker combines hyperlink, volume control, page up/down, full screen, black screen, multimedia play/pause, and window closing into one convenient device. Enjoy a long operating range with a 30m/98.4ft remote control distance and a 200m/656.2ft pointer distance. The clear red light is easily visible against most backgrounds. Compatible with Windows XP 7 8, OS X, Linux, and Android systems. This wireless presentation clicker supports PowerPoint, Keynote, Prezi, Word, Excel, ACD See, iWork, and more. The bright red light is easily seen against most backgrounds, making it perfect for highlighting key points during your presentation. Easy to use and the perfect tool for presentations, teaching, and meetings. Powered by 1xAAA batteries (not included). Simply plug and play by connecting the USB receiver to your computer. 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 1 x Presentation Clicker 1 x USB Receiver 1 x User Manual 1 x Storage Bag