Upgrade your wired sensor bar to a wireless replacement. No need to add any cable to your wireless environment Self installs with a flip of the on/off switch. Automatically switch to power saving mode to conserve battery power Easy to set up and start playing out of the box. Works with- Best For Vista, 7, 8 The USB sensor is a signal device that receives infrared rays specially designed for game consoles. The USB receiver is equipped with double-sided adhesive on both sides of the bottom, which can be fixed above or below the display device and connected to the host through the interface. There are six infrared light-emitting diodes on the receiver, which can emit infrared, allowing the infrared sensor on the right handle of the to recognize and perceive its location and distance, so as to achieve the purpose of grasping the player's movements. Up to four handles can be connected for four Players play at the same time.