Specifications: 1. Color: Black 2. Effective Range: Approx. 50 feet (15 meters) 3. Battery: 2 AAA batteries (not included) 4. 2.4 GHz wireless technology 5. USB port R400 2.4 GHz Wireless USB Receiver Presenter Pointer Pen, Page Turning Remote Control for PowerPoint Presentations, Office Use Overview: The Wireless Presenter R400 is designed to help you deliver confident, professional presentations. It features a bright red laser pointer that is highly visible against most backgrounds and projection surfaces. Intuitive slideshow controls allow seamless navigation through your presentation. Features: 1. Built-in slideshow buttons 2. Contoured one-touch keys for easy slideshow control 3. Lightweight, portable, and comfortable to hold 4. Plug-and-play operation—no software required 5. Red laser pointer for clear visibility on screens and projection surfaces 6. Compact, storable USB receiver—simply plug into a USB port to use immediately 7. Battery power indicator 8. On/off switch to conserve battery life 9. High-performance imported IC for fast response, stable operation, and reliable long-range 2.4 GHz remote control Package Includes: 1 x Wireless Presenter Remote Control R400 1 x Wireless Mini USB Receiver