SANOXY® is trademarked brand. Exclusively marketed by authorized resellers on Amazon to ensure warranty. RF 2.4GHz Wireless USB PowerPoint PPT Presentation Presenter Mouse Remote Control Laser Pointer Pen. Wireless presenter that help you remotely control your PowerPoint presentations.With a red laser pointer allow you to point tp highlight important parts of your presentation. Function: Red laser pointer, page up and down, ESC and blank Screen. Battery: AAA Trademarked SANOXY® products are marketed exclusively by AUTHORIZED RESELLERS ONLY in order ro ensure product warranty and consumer protection. Any misuse of SANOXY® brand use without prior approval from SANOXY USA will take legal action.