Laser Sharp Precision in a Three-Button Wireless Desktop Mouse. The Kensington PilotMouse Laser Wireless 3-button mouse gives you more. With precise laser tracking, 2.4Ghz wireless technology, 4-way tilt-scroll wheel and advanced power management, this mouse is a true powerhouse. PRODUCT FEATURES: Advanced laser tracking works precisely on almost any surface - with 20X the surface sensitivity as optical; 2.4Ghz wireless technology helps ensure high-speed wireless performance and great range - Up to 30 feet; Advanced power management technology provides up to 1 year of battery life on 2 AA batteries; 4-way tilt-scroll wheel lets you move side-to-side or up and down easily; Flexible rubber grips provide excellent comfort and control; Mini USB wireless receiver keeps your desk free of clutter; Miniature USB wireless receiver.