Razer - Beat Portal 2 with your Razer Hydra and looking for your next fix? Look no further as we are providing fully integrated motion gaming support for Valve's titles, both present
Razer Hydra brings motion control to the PC
Razer Hydra, With Sixsense Technology Motion Control » CnwinTech
Razer Hydra - Motion sensor with 2 move motion controllers - wired - for PC - Walmart.com