Razer Hydra PC Gaming Motion Sensing Controllers Portal 2 Bundle (RZ80-00630200-B3U1) A breathtaking new way to play when you can intuitively reach out and interact with the virtual world in complete three dimensions. Bundled exclusively with Portal 2,includes Sixense Motion Pack DLC featuring 6 TrueMotion levels,specifically created for RazerHydra. Play PC games in a new way with motion sensing controllers that take you deeper into the game world by letting you interact & move in complete 3D. Interact with the virtual world in complete three dimensions, as you would in real life. And degree makes this the best motion sensing for absolute game immersion. Extensive PC Games Library Compatibility - Apart from Portal 2, the Razer Hydra is optimized for over 125 popular PC games right out of the box. Faster with ultra-low latency and more precise with one-to-one tracking to the exact millimeter It's compact base station can compute the exact location and orientation of controllers in your hands. More precise with one-to-one tracking to the exact millimeter and degree makes this the best motion sensing for absolute game immersion. Motion sensing controllers that take you deeper into the game world by letting you interact and move in complete three dimensions. No more waiting for scarce motion-compatible games. Includes the Sixense Motion Pack DLC that features 6 TrueMotion levels that were specifically created for use with the Razer Hydra. The Razer Hydra is bundled exclusively with Portal 2. Total Game Immersion - Play your PC games in a new way with motion sensing controllers Unrivalled Precision Technology - Using magnetic motion sensing, the best available technology of its kind,