PPT wireless page turning pen, multimedia projection pointer, laser briefing pen, remote red light multimedia speech, 13.9*1.97*1.82CM Feel free to use the PowerPoint presentation remote for meetings, teaching, or presentations. High Compatibility Demonstration Remote Control Supported Systems: Windows 2003/XP/Vista/7/8, Mac OS, Linux, Android. The software supported by the wireless presentation clicker is: PowerPoint/Keynote/Prezi/Word/EXCLE/ACD See/iWork.Detail-Design The presentation clicker with clip design is convenient for you to carry. The bump design of the laser pointer allows you to focus more on your presentation without looking down at the buttons. It also has a low battery indicator. Excellent detail design improves your experience. Features: Frequency: 2.4GHzMax Output: Less than 5mW Control Distance: 30m/98-footLight Distance: 200m/656footWorking Voltage: 3.7V Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1