The 3D Active Shutter Glasses is a device that enables you to view 3D images. When using the 3D Active Glasses with a DLP-Link 3D Projector or TV, you can enjoy realistic, vivid, superior 3D images with no ghosting and no tinting. * Compatible Projectors (but not limited to): * Viewsonic PJD5123/5133/5223/5523W/6531W/7583Wi, Pro 8200/8500