CadMouse Pro Wireless Left is the full-size mouse designed specifically for the modern CAD professional. Offering superior ergonomics, a dedicated middle mouse button, high resolution optical sensor, up to three-months use between charges*, and 50 million clicks-worth of durability for the daily use CAD specialist, CadMouse Pro Wireless Left is the mainstay of any CAD toolkit. Purpose-built for supremely comfortable use over long CAD sessions, CadMouse Pro Wireless Left feels completely organic, with ergonomic features creating an experience that greatly reduces the muscle and tendon discomfort frequently encountered during long CAD sessions. The combination of ergonomic design features and intelligent software come together in a full-size mouse to create an organically connected workflow you can feel. The average CAD user clicks thousands of times during a standard workday. CadMouse Pro Wireless Left is designed to handle over 50 million clicks to its main buttons, giving users mechanical longevity a CAD professional should expect from a premium CAD product.