Corsair Raptor M40 is designed for gaming performance. A powerful gaming-tuned optical sensor, adjustable weight system, and seven programmable buttons put you in command. Overview Programmable optical gaming mouse with adjustable weight system Corsair Raptor M40 is designed for gaming performance. A powerful gaming-tuned optical sensor, fast response time, extra-large PTFE glide pads, and a high-mass scroll wheel put you in command. Customize it to your play style with the adjustable weight system, and seven programmable buttons put macros and other critical gaming functions just a click away. Instant DPI switching lets you toggle between high sensor resolution for fast motion, and low resolution for super-accurate aiming. And since serious gamers play for hours at a time, the M40 has a comfortable right-handed design with textured and soft-touch surfaces. Features Adjustable Weight System Three adjustable tuning zones allow you to customize the mouse weight and balance for your playing style. FPS-Optimized Gaming Sensor The Avago ADNS-3090 4000 DPI optical sensor delivers outstanding precision. Extra-Large PTFE Glide Pads Low friction with more contact surface area feels better and provides better control. Control Panel Software Customize your gaming experience even further with power software that lets you assign keystrokes to mouse buttons, create and assign complex macros, adjust the default DPI values, and more. Seven Programmable Buttons Assign critical game functions to the M40 for faster response and control. Onboard Profile Storage Save macros and programmable buttons directly to the M40 and take them with you when you play on other PCs. Instant DPI switching with indicator LED Quickly adjust sensor resolution when you bounce between applications and games, and select the optimal sensitivity for each weapon. Comfortable for hours of gaming The right-handed design has a soft-touch finish and a low-friction braided cable. About Corsair Gaming Mice Corsair gaming mice are precision tools, with key features like adjustable DPI, intelligent ergonomics, and configurable weight systems that let you play your best… whether you’re gaming professionally, or just playing to win. Contents and Specifications Package contents Raptor M40 Gaming Mouse System requirements Windows 7, Windows 8, Windows Vista, or Windows XP A PC with USB port An Internet connection for control panel software download