For manually two-way bi-directional switching of an HDMI signal - the perfect solution when only 1 HDMI port is available, whether on the player or screen For perfect, high-resolution ultra-HD cinema quality 7680 x 4320 (8K) pixels 3D transmission through extended bandwidth LED function indicator provides information about the device status Box contents: 1 x 8K HDMI switch "bidirectional"; 1 x user manual