Lachesis Gaming Mouse Blue (Razer) PC

Equipped with the revolutionary 4000dpi Razer Precision 3G Laser sensor, the Razer Lachesis gaming mouse takes on the same lethal traits as its namesake that will send shivers down your enemies' spines. Add 32KB of onboard memory, nine programmable Hyperesponse buttons, as well as an impressive 1000Hz Ultrapolling with 1ms response time, and you've got a formidable weapon in your arsenal of destruction. Victory beckons - move in for the kill. * 4000dpi Razer Precision 3G Laser sensor * 32KB Razer Synapse onboard memory * Nine independently programmable Hyperesponse buttons * 1000Hz Ultrapolling / 1ms response time * On-The-Fly Sensitivity adjustment * Variable true dpi setting adjustments in increments of 125dpi * Always-On mode * Ultra-large non-slip buttons * 16-bit ultra-wide data path * 60-100 inches per second * Ambidextrous design * Scroll wheel with 24 individual click positions * Zero-acoustic Ultraslick Teflon feet * Gold-plated USB connector * Seven-foot, lightweight, non-tangle cord * Approximate size: 129mm (length) x 71mm (width) x 40mm (height)Windows速 2000 / XP / X64 / MCE 2005 / Vista / Vista64Available USB portCD-ROM Drive (for drivers)At least 35MB of hard disk space (for drivers)