Simple one-touch buttons to control your slideshow. Buttons: page up, page down, start slideshow, black screen Ideal for lecturers, meeting presenters, teachers, sales managers, or anyone giving a PowerPoint presentation. Pages can be turned freely and silently, allowing you to highlight key points in your presentations. Make your demo or presentation more dynamic. No hassle with installation, 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 against 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 feel Plug and play, no software needed, easy to get started Storable receiver, easy to use, just insert the receiver into the USB port and it can be used directly Power off button, 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 2.7 cm Net weight: 36 g System requirements: Windows XP, Windows Vista or Windows 7 Package includes: 1 x Presenter wireless remote control 1 x User manual