Panlong HDMI Bi-directional Switch 1 In 2 Out or 2 In 1 Out for Switching TVs or Sources Support 4K x 2K, 3D 1080P, HDCP 2 In 1 Out Mode: Easily switch between two HDMI video sources (PS4, cable box, Blu-ray, Xbox etc.)to one HDMI display. 1 In 2 Out Mode: Easily share single HDMI video source between two HDMI displays (HDTVs, PC monitors or projectors). Compatible with HDMI Specification 1.4 (backwards compatible with HDMI 1.0, 1.1, 1.2 and 1.3); Supports 3D, 1080P, 4k x 2k resolution. Supports HDCP pass-through. LED lights indicate the input / output selection and working status; No external power supply required, plug and play.