An infrared mouse used infrared light to transmit movement to a receiver which is then placed on the computer. The infrared mouse has the convenience of being wireless, however, because it depends on light going from the mouse to the receiver, the mouse is less accurate, especially in cases where fast movement is required. The mouse will disconnect if the infrared signal is not pointing directly into the receiver. This means that any obstructions between the receiver and the mouse will disrupt the infrared light and thus the connection will be lost.