Our product:Wireless PPT Remote Control USB Portable Handheld Presenter Remote Control Laser Pen For PowerpointProduct Features: With a working range of up to 15m, you can deliver your presentation with confidence and the freedom to move around without having to return back to your Computer or Laptop to go to the next slide with this remoteComes with a wireless receiver housed within the presenter itself. So you are less likely to lose your receiver. To get started are you need to do is insert your wireless receiver into 1 of your USB ports ensure that the receiver is recognized by your computer and then you are ready to goBuilt-in a powerful red laser pointer that allows you to highlight key points and areas in your slide(s) easilyWhen it comes to delivering talks & presentation, all these Product Features make the PPT Clicker the perfect remote for speakers, students, teachers and lecturers Specification: Product material: ABS(Acrylonitrile Butadiene Styrene)Size: Approx. 11.5x2.5cm/4.52x0.98"Power Supply: 1 x AAA Battery (Not included)Transmitting Frequency: 2.4GHz Packaged Included: 1x Wireless Remote Control Clicker PPT Pen1x USB Wireless Receiver1x User ManualNote: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.