Intuitive slideshow controls help you navigate through your presentation with confidence Buttons are easy to find by touch and its shape feels great in your hand The red laser pointer with LED indicator is easy to see against most backgrounds Wireless range of up to 15 metres (50 feet) with 2.4GHz technology A storable plug-and-play wireless receiver makes it simple to get started; simply plug it into a USB port and use it right away No software to install On/off switch