Feature: 1. High Resolution: The HD multimedia interface extender supports a maximum resolution of 3840x2160 at 30HZ , backward compatible, offering plug and play design. 2. Long Range Connection: Compatible with desktops, laptops, and other devices with HD multimedia interface, allowing long distance connection to displays, TVs, and projectors. 3. One to Many Transfer: With built in EDID sound, the extender uses an Ethernet switch to transmit from one transmitter to multiple receivers, supporting remote transfer and local HD multimedia interface output. 4. Enhanced Compatibility: The HD multimedia interface adapter's EDID sound significantly improves device compatibility, making it suitable for information release systems, video conferencing, and more. 5. Wide Applications: Ideal for security surveillance, HD teaching systems, LCD LED splicing screens, projectors, and other projects, making it a versatile and efficient choice. Specification: Item Type: HD Multimedia Interface Extender Material: Aluminium alloy Video Information Video Version: HD1.4 (Digital) Maximum Bandwidth: 340Mhz Resolution: 3840x2160 at. 30Hz (Downward Compatible) KVM Information: Version: 1.1 Transmitter Interface: USB-A Female Receiver Interface: USB-A Female . Package List: 2 x Extender 2 x Cord 1 x User Manual 1 x USB Cable