Bigger play spaces, more room to explore. Increased range and FOV - The new single-rotor design provides a wider FOV and increased range. Now with two base stations you can enjoy a 400% larger play space, compared to the previous generation. MORE DETAILS: Range: 7m FOV: 160º x 115º Expandability: Up to four base stations, up 10m x 10m playspace Power: 12V, compatible with existing HTC Vive power supply This product has been repaired, restored and tested for functionality. Product may have noticeable cosmetic blemishes (such a light scratches). Any defective modules identified in testing are replaced. Each item undergoes a final inspection prior to being sold as a Refurbished item.