Logitech® R400 Wireless Presenter is a wireless presenter with intuitive controls and a red laser pointer that helps you make your point. Buttons are easy to find by touch. And the smooth contours feel great in your hand. You will be in control from the first slide to the last. Its red laser pointer makes it easy for your audience to see exactly what you’re pointing to. With the battery indicator, you can know how much power is available with just a glance. In addition, the 2.4 GHz wireless technology allows you to enjoy the freedom to move around the room and mingle with your audience for greater impact. This is a plug-and-play wireless receiver.