1. Page turning pen: The 300-meter ultra-long control distance is ideal for presentations in large conference halls. It allows freedom of movement within the room and enables real-time PPT control. 2. The green laser, which is 10 times brighter than red, works well with all presentation screens. It remains clearly visible even in brightly lit rooms, supporting effective presentations in comfortable, well-lit environments. 3. Features an LCD screen to display time, with timer and silent vibration alert functions to help manage speaking duration without needing to check the clock. The 1000 mAh lithium battery provides long-lasting performance. 4. The mini USB receiver supports plug-and-play functionalityno drivers required. Simply plug into a computer to begin presenting immediately. 5. Supports page up, page down, full screen, black screen, and hyperlink functions. Compatible with most presentation software and operating systems including Windows 2003, XP, Vista, 7, 8, 10, Mac OS, Linux, and Android. Safety warning: 1. Warning: The 433MHz transmitter is not a toy and should never be directed toward human eyes or aircraft. 2. This presentation remote is intended for adult use only. 3. It is illegal to aim the laser at any flying objects, moving vehicles, or public or private buildings. 4. The laser should not be pointed at people or animals. 5. Misuse of the page turning pen may result in safety hazards. Color: Black Material: Plastic Package Contents: 1 x Wireless PowerPoint Presenter 1 x Receiver