Razer RZ07-01030100-R3U1 Tartarus - Membrane Gaming Keypad Color: Black Specifications: 2.16 x 6.03 x 7.32 (H x W x D) 0.66 lb. System Requirements: PC with USB port Windows 8/ Windows 7 / Windows Vista / Windows XP (32-bit)/ Mac OS X (v10.7-10.9) Internet connection (for driver installation) At least 200MB of hard disk space Synapse 2.0 registration (requiring a valid e-mail), software download, license acceptance, and internet connection needed to activate full features of product and for software updates. After activation, full features are available in optional offline mode.
