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 Pen 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 light 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 design with comfortable handheld feel 4. Plug and play, no software required 5. Page turning pen with a red light 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 help extend battery life 9. Uses imported 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