... 3D 3.super IR control system HDMI Switch 5*1 Mini typespecification . HDMI Switch 8x1, 5x1, 4x1, 3x1, 2x1, different stype ... , 3D support. Super backward IR control system, a Optional IR adapter before HDTV help you control the remote DVD/Matrix before ... is optional, an extra cost of IR sender, receiver, IR adapter is necessory if needed. MINI HDMI switch