OemLogitech R400 convenient Wireless Presenter Controls with Wireless Mini-Receiver, Black + USB Card Reader. Package Contents: Logitech Wireless Presenter R400, Wireless mini-receiver, 2 AAA batteries, Carrying case, Quick-start guide + USB Card Reader. Intuitive slideshow controls: Buttons are easy to find by touch, Up to 15-meter range, Battery indicator. Plug-and-play wireless receiver: No software needed, just plug the receiver into a USB port and youre ready to go. Red laser pointer: Class 2 laser product. Itll be easy for your audience to see exactly what youre pointing to. 3-year limited hardware Manufacturer warranty.