Labtec Laser Wireless Desktop 1200 Czech Layout Keyboard and Mouse Set Step up to wireless freedom and laser tracking. Features: Premium 1200 dpi laser mouse Enjoy more precise, smoother tracking on surfaces where optical mice can't go. Four-way scroll wheel Go where you want to go with vertical and horizontal scrolling. Low battery indicators Status lights on both the keyboard and mouse alert you when power is getting low. Programmable one-touch controls Just touch a button for effortless media playback and Internet navigation. Spill-resistant keyboard Eliminate worries with a spill-resistant design that protects your keyboard. Quiet comfort Near-silent keys and a soft-touch mouse grip. Specifications: Package Contents: labtec® laser wireless desktop 1200 Wireless 1200 dpi laser mouse Compact 27 MHz receiver 4 AA alkaline batteries CD with documentation and comfort guidelines Quick-start card Full product support System Requirements: Windows® 2000, Windows® XP, Windows Vista™ USB port CD-ROM drive