Feature:1. 2.4GHZ WIRELESS CONNECTION: The presentation remote pen uses 2.4Ghz wireless technology to remotely control presentations within Approx. 15meter or 49.2ft.2. MULTIFUNCTIONAL: Comprehensive slide show functions, including forward, back, pause, start and black screen and full screen functions.3. ERGONOMIC DESIGN: Presenter remote adopts curved design, which is ergonomic and won't make you sore when holding it for a long time.4. PLUG AND PLAY: USB presentation clicker supports plug and play, no software required, very convenient and fast.5. WIDELY USED: Wireless PPT remote is a practical tool for teachers and workers to present slides in presentations, meetings or classrooms.Specification:Item Type: Presentation ClickerMaterial: ABSModel: AMP16APSize: Approx. 10.8 x 4.1 x 2.5cm or 4.3 x 1.6 x 1.0inRemote Control Technology: 2.4GControl Distance: Maximum Approx. 15meter or 49.2ftCompatible Interface: USB PortMaximum Output: andlt 1mW Class IIBattery: 1xAAA Battery (Battery Not Included).Package List:1 xPresentation Clicker (Battery Not Included)1 x Receiver1 x User Manual