Functionality: Controls include Page Up and Page Down buttons for navigating slides. Some variants may offer additional features like a lock/unlock switch for control and a full-screen/exit function. Laser Pointer: Equipped with a built-in red laser pointer (Class 2, max output <1mW, 650nm wavelength) to highlight specific points on the screen or projection. Connectivity: Uses Radio Frequency (RF) wireless technology (e.g., 315 MHz or 2.4GHz) with a USB receiver that plugs into the computer's USB port. Operating Range: The remote control range is approximately 15 meters (around 49 feet), while the laser range can be up to 200 meters. Compatibility: A plug-and-play device requiring no software installation or PC programming. It is compatible with various operating systems, including Windows 2000/ME/XP/Vista/7/8/10, Mac OS 8.6+, and Linux. It works with programs like Microsoft Office (PowerPoint, Word, Excel), Notepad, and internet pages. Portability: Features a portable design, often coming with a protective carry case or pouch for easy transport. Power Source: The transmitter is typically battery-operated, often using one 12V or AAA alkaline battery, while the receiver is USB bus-powered.