Specifications: 1. Color: Black 2. Effective Range: Approx. 50-foot (15-meter) 3. Battery: 2 AAA batteries (Not included) 4. 2.4 GHz wireless technology 5. USB port R400 2.4GHz Wireless USB Receiver Presenter Pointer Pen Page Turning Remote Control for PowerPoint Presentation for Office Overview: The Wireless Presenter R400 is designed to help you make your point during meetings. It features a red laser pointer that is easy to see against most backgrounds and projection surfaces, ensuring your audience won't miss key details. Its intuitive slideshow controls allow you to navigate through presentations with confidence. 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, no software required 5. Page turning pen with a red laser pointer, visible on most surfaces 6. Storable receiver; simply insert into USB port for immediate use 7. Battery power indicator to monitor power level 8. On/off switch to extend battery life 9. High-quality IC for fast response, stable performance, 2.4G long-distance remote control, and high-speed transmission Package Included: 1 x Wireless Presenter Remote Control R400 1 x Wireless Mini Receiver