- 2.4 GHz RF presenter with a red laser pointer and many useful functions for professional control and support during presentations with a projector&lt;br /&gt;- 6in1 laser presenter: laser pointer air mouse function full screen / black screen at the press of a button volume control PowerPoint navigation Digital Ink for digital writing&lt;br /&gt;- Presenter for leafing through or scrolling in a Microsoft PowerPoint and other Office applications&lt;br /&gt;- Sits pleasantly in the hand and allows targeted control with distinctive buttons&lt;br /&gt;- Smart-Link technology for easy start-up&lt;br /&gt;- On/off switch for battery-saving use&lt;br /&gt;- Advantage of a battery power supply: quick to change during the presentation&lt;br /&gt;&lt;br /&gt;- 2.4 GHz RF presenter with a red laser pointer and many useful functions for professional control and support during presentations with a projector&lt;br /&gt;- 6in1 laser presenter: laser pointer air mouse function full screen / black screen at the press of a button volume control PowerPoint navigation Digital Ink for digital writing&lt;br /&gt;- Presenter for leafing through or scrolling in a Microsoft PowerPoint and other Office applications&lt;br /&gt;- Sits pleasantly in the hand and allows targeted control with distinctive buttons&lt;br /&gt;- Smart-Link technology for easy start-up&lt;br /&gt;- On/off switch for battery-saving use&lt;br /&gt;- Advantage of a battery power supply: quick to change during the presentation