Features: * 100% new and high quality, Wireless Presenter R400 is designed to help you get your point across in meetings. * It has a red laser pointer that's easy to see on most backgrounds and projection surfaces, so you can make sure they don't miss the point Intuitive slide controls help you complete your presentation successfully. * Built-in slide buttons; contoured one-touch buttons for easy slide control; lightweight and portable for a comfortable feel; plug-and-play, no software required, simplifies getting started * Red laser pointer with LED indicator, power-off switch for longer battery life. * Easy-to-use, storable receiver that is instantly ready to use by simply plugging the receiver into a USB port. Battery level indicator to let you know what the charge level is. Specifications: Material: Plastic Color: Black Effective Range: About 20m Battery: 2 AAA batteries (not included) 2.4GHz wireless technology. USB Port Output Power: < 0.5 mW System Requirements: For Windows XP, Windows Vista or Windows 7 Net Weight: 36g includes: 1 x Host Wireless Remote Control