The WTR01 4K/2160P Dual Band Wireless HDMI Transmitter & Receiver Kit is a universal plug and play device that allows for easy wireless transmission of 4K video and audio. With a frequency range of 5G and 2.4G, this kit features dual band technology for a strong and reliable connection. Compatible with a wide range of HDMI devices, this kit is perfect for streaming your favorite content in stunning 4K resolution without the need for cables. The compact and lightweight design make it easy to set up and use, making it a convenient and versatile addition to any home entertainment setup.