Provantage offers the Microsoft Kinect Sensor for Xbox One for $41.86 plus $5.95 for shipping. That's $2 under our mention from three weeks ago, the best we've seen, and a low now by $2. It features a 1080p HD camera and allows for movement- and voice-based control of your TV and Xbox One console, Skype calls, live game broadcasting, and automatic sign-in.