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A standalone HMD, also known as an [[Integrated HMD]] , is the most sophisticated and expensive type of HMD and or [[OHMD]]. This independent computing device is able to deliver [[VR]] and/or [[AR]] experiences without any external hardware such as PC or smartphone. It contains everything from display to processors to camera and is able to display stereoscopic 3D images, perform complex tracking and utilize advanced input methods. Currently, most of Integrated HMDs are AR OHMDs with high price point and target only business professionals.