Easy one-touch keys to control the slideshow. Buttons: page up, page down, start slideshow, black screen Ideal for lecturers, meeting presenters, teachers, sales managers, or anyone giving a Power Point presentation Pages can be turned freely and quietly, and highlight effects can be achieved in their presentations. Makes your demo or presentation more dynamic No setup hassle, just plug the USB receiver into your computer. No driver required. Lightweight and compact, fits in your pocket or purse Supports MS Word, Excel, PowerPoint, ACD View, website, etc. With page up and down, black screen and escape/resume functions Product Description Features: Built-in slideshow buttons The wireless presenter is designed to help you get your point across in a meeting. It's easy to see on most backgrounds and projection surfaces, you can be sure they won't miss the point. Its intuitive slideshow controls help you navigate your presentation with confidence Unique contoured keys for easy slideshow control Lightweight, portable, comfortable pocket-sized feeling Plug and play, no software needed, easy to get started Storeable receiver, easy to use, just insert the receiver into the USB port and it can be used immediately Onoff switch, can extend battery life Specification: Material: Plastic Color: Black USB port Effective range: Approx. 20m Battery: AAA battery (Not included) Size: approx. 11.5 x 3.7 x 2.7cm Net weight: 36g System requirements: Windows XP, Windows Vista or Windows 7 The package includes: 1 x Presenter Wireless Remote 1 x User Manual