USB, Three Buttons with Scroll Wheel, 1000 dpi - Accurate optical sensor and sturdy construction deliver reliable performance - Basic, three-button with scroll wheel configuration — ideal for new systems, replacements and upgrades - Compact-sized, ergonomic and ambidextrous design offers comfortable grip with less fatigue - Low-friction base smoothly glides over work surfaces - Plug and Play installation — Windows and Mac compatible - Lifetime Warranty Standards and Certifications - USB 1.1 - CE - FCC - RoHS - WEEE General - USB interface - Mouse: optical, 1000 dpi resolution - Controls: right and left mouse with scroll wheel buttons - Material: ABS plastic - Compatible with Windows 2000/XP/Vista/7 and Mac OS9 and up Dimensions - Mouse: 11 x 6 x 3.5 cm (4.3 x 2.4 x 1.4 in.); 79.5 g (2.8 oz.) - USB cable, 1.4 m (4.5 ft.) Environmental - Operational temperature: 0 - 45°C - Storage temperature: -40 - 45°C - Working humidity: < 85% - Electrical: 5 V < 30 mA Package Contents - USB MH3 Classic Optical Desktop Mouse - User manual A basic, practical design that delivers full function and performance. The MANHATTAN MH3 Classic Optical Desktop Mouse with its 1000 dpi resolution sensor offers a reliable performance in a sturdy, practical design. Its compact size and ambidextrous shape feature a familiar three-button with scroll-wheel configuration ideal for daily computing needs. Easy Installation and Low Maintenance Plug and Play installation and compatibility with Windows 2000/XP/Vista offer quick and easy operation. With no mechanical or rolling parts to wear or fail, the MANHATTAN MH3 Classic Optical Desktop Mouse requires little maintenance to maintain reliable performance.