The 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 is easy to see against most backgrounds. With a range of up to 15 metres (50 feet), you can enjoy the freedom to move around the room and mingle with your audience for greater impact. A storable plug-and-play wireless receiver makes it simple to get started: just plug the receiver into a USB port and use it right away. There's no software to install. When you're through, the receiver stores inside the presenter to make packing up easy. Logitech® Wireless Presenter R400 is designed to help you make your point. Its 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. Its got a red laser pointer thats easy to see against most backgrounds and a range of up to 50 feet (15 meters), so youve