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 Overview: The Wireless Presenter R400 is designed to enhance your presentations. It features a red laser pointer that is highly visible against most backgrounds and projection surfaces. Intuitive slideshow controls allow smooth navigation through your presentation. Features: 1. Built-in slideshow buttons 2. Contoured one-touch keys for easy slideshow control 3. Lightweight, portable, and comfortable handheld design 4. Plug-and-play operation—no software required 5. Page turning pen with red laser pointer, visible on most surfaces 6. Compact USB receiver—simply insert into a USB port to use 7. Battery power indicator 8. On/off switch to conserve battery life 9. High-performance IC for fast response, stable operation, long-range 2.4 GHz remote control, and high-speed transmission Package Includes: 1 x Wireless Presenter Remote Control R400 1 x Wireless Mini USB Receiver