It meets the safety requirements of the CL2 rating, making it ideal for in-wall cable installations in your home and office setups. The cable features an integrated amplifier circuit that actively boosts your HDMI signal without the need for an external power source. It is the perfect solution for longer transmissions without signal loss. The HDMI cable is CL2 certified for in-wall installations, making it perfect for A/V setups in residential or office environments. You can set up your home theater, gaming, or audio-video devices so that the cables are safely hidden within the walls, allowing you to place your devices as needed throughout your workspace or living area. This high-quality HDMI cable supports resolutions of 1080p+ with up to 120 Hz refresh rate and lifelike colors. To meet the demands of future high-definition devices, this Ultra HD cable supports resolutions up to 4k x 2k. The HDMM30MA is backed by StarTech.com's 2-year warranty for guaranteed reliability. Note: This cable has a unidirectional architecture, requiring that it be installed in the correct direction. Please refer to the source and display labels on the HDMI connectors to ensure that the device and HDMI source are properly connected.