If you are a lover of computer science and electronics , like to stay up to date with technological news and do not miss any detail, buy Startech ST121HD20V 4K Ultra HD HDMI RJ-45 x 2 Transmitter at the best price. Links: HDMI HDMI 2.0 RJ45 HDCP Type: Wired Transmitter Color: Black Plug Type: Type M Properties: Includes a manual Year: 2019 Ports: 4 Rated current: 0.3A Power Supply: Wired Speakers: 7.1 Voltage: 100 - 240V Current: 1 A Certificate: RoHS Compatible: Monitor Resolution (px): 3840 x 2160 px