- 2.4-GHz-RF presenter with a red laser pointer for professional control and support for presentations with a projector ,- 2.4GHz wireless technology with a range of up to 12 metres lets you create dynamic presentations by moving freely around the room ,- The red laser is ideal for emphasizing important points in darkened surroundings ,- Storable USB receiver can be transported inside the housing to save space ,- Presenter for leafing through or scrolling in a Microsoft PowerPoint and other Office applications ,- Smart-Link technology for easy start-up ,- Thanks to simple control elements, you can go through your presentation confidently ,- On/off switch for battery-saving use ,- Advantage of a battery power supply: quick to change during the presentation ,- Built-in volume control , ,System Requirements: ,- Operating system: Windows 10/8.1/8/7/Vista/XP