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 in a meeting. It has a red light spot that is easy to see against most backgrounds and projection surfaces, ensuring your ence won't miss key details. Its intuitive slideshow controls allow you to navigate through your presentation 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, making it simple to get started 5. Page turning pen with a red light spot, visible on most backgrounds and projection surfaces 6. Storable receiver; simply insert the receiver into a USB port for immediate use 7. Battery power indicator to monitor battery status 8. On/off switch to extend battery life 9. High-quality 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