Important tips: This HDMI splitter 1 in 2 out product is mainly used to extend the original interface of high-end devices, reduce the number of insertions and distances, and reduce damage to the joint. This product only supports simultaneous display of two screens of the same model. Different models and sizes of screens do not support simultaneous display, but can be used alternately. Wide compatibility: The HDMI Splitter 2-in-1 output cable is ideal for connecting an HDMI-compatible device (HD - DVD, PS3, Laptop, HDTV) to two visual output devices (TV, projector, monitor, LCD TV, plasma screen, rear projection microphone). Screens, Digital TV). HD picture support: HDMI cable supports 480i, 480p, 720p, 1080i, 1080p. Does not support HDCP and MacBook. Does not work with TV box/cable box (e.g. Roku, Apple TV box, etc.) Good quality: Made of gold-plated connectors, soft rubber casing and other materials, the body is soft and flexible without padding. This product does not require a power source. It is recommended to connect the product with a standard HDMI 1.4 or better cable. The length should not be longer than 16 feet to avoid signal degradation. Cable length: 30 cm, gold-plated connector, stable data transmission. The interface is standard HDMI male to female (approx. 14 mm wide), the connector is pure copper, non-magnetic, 24K ultra-thick gold plating (super wear-resistant)