Full Mechanical Keys for Superior Tactility & Faster Response The Razer Black Widow’s mechanical key technology provides a distinctive tactile feedback in form of a light pronounced tap to your fingers giving you an entirely new feel on your keyboard. With its optimized actuation force of 50g & a reduced actuation distance of 2 mm the Razer Black Widow mechanical keyboard means that you can actuate your commands faster than on any other standard gaming keyboard. On-The-Fly Macro Recording & Profiles allow Effortless Configuration Record unlimited macros on-the-fly without having to take your eye off the game & immediately change between up to 10 profiles without the hassle of going into complex driver menus. With the simple click of two buttons you initiate & end the recording & you’re all set. Individually Backlit Keys Never miss a key in the dark with backlit keys that give you the tactical edge, allowing you to launch assaults & flank your foes even under low light conditions. TECH SPECS Full mechanical keys with 50g actuation force Individually backlit keys 1000 Hz Ultrapolling / 1ms response time Programmable keys with on-the-fly macro recording Gaming mode option for deactivation of the Windows key Razer™ Synapse 2.0 Enabled Unlimited customizable profiles 5 additional dedicated macro keys Gaming optimized key matrix for minimized ghosting Multi-Media Controls Braided fiber cable Audio-Out / Mic-In Jacks USB (Universal Serial Bus) Pass-through Approximate Size: 475 mm / 18.70” (Width) x 171 mm / 6.73” (Height) x 30 mm / 1.18” (Depth) Approximate Weight: 1500 g / 3.31 lbs System Requirements PC with USB (Universal Serial Bus) port Windows 8/ Windows 7 / Windows Vista / Windows XP (32-bit) / Mac OS X (v 10.6 to 10.8) Internet connection (for driver installation) At least 200MB of hard disk space Razer Synapse 2.0 registration (requiring a valid e-mail), software download, license acceptance, & internet connection needed to activate full features of product & for software updates. After activation, full features are available in optional offline mode.