1. Using WiFi point-to-point transmission technology, it can wirelessly transmit video and audio content from devices such as laptops, cameras and set-top boxes to large-screen devices such as TVs and projectors 2. Plug and play, free from the limitations of HDMI cables 3. Equipped with an external antenna, it adopts 2.4G5G dual-band transmission protocol, and the signal is more stable and stronger 4. In an accessible environment and without interference, the wireless transmission range can reach 328 feet100 meters 5. Built-in high-performance chip, supports 4K 30Hz and 1080P 60Hz output, providing clear and stable images and rich colors 6. Compatible with most HDMI output devices, including laptops, desktops, cameras, DVDs, SLR cameras, set-top boxes, Blu-ray players and game consoles 7. Designed with camera screw holes and 2 14 hot shoe adapters, it is easy to fix on the camera, suitable for live broadcasts, photography work, large-scale presentations and other scenes 8. Packing list: transmitter x 1, receiver x 1, 14 hot shoe adapter x 2, power cord x 2, HDMI cable x 2