Specifications :
* 3500dpi Razer Precision™ 3.5G infrared sensor
* 1000Hz Ultrapolling™ / 1ms response time
* Mechanical dpi/polling rate switches
* On-The-Fly Sensitivity™ adjustment
* No Drift Control
* Always-On™ mode
* Ultra-large non-slip buttons
* 16-bit ultra-wide data path
* 60-120 inches per second and 15g of acceleration
* Three independently programmable Hyperesponse™ buttons
* Ambidextrous design
* Scroll wheel with 24 individual click positions
* Zero-acoustic Ultraslick™ Teflon feet
* Seven-foot, lightweight, non-tangle cord
* Approx. size in mm: 115(L) x 63(W) x 40(H)