Feature: High Compatibility The Receiver: Adopts HDMI+VGA dual transmission mode, which is compatible with new and old display devices. The Transmitter: Devices with an HDMI interface can use the transmitter directly. Devices without an HDMI interface can also use the transmitter via an HDMI converter. 4K HDMI Wireless Transmission The wireless hdmi adapter supports wireless transmission of pictures/audio/video from any device to the projection device via HDMI port. Its powerful video decoder can transmit up to 4K@30Hz Full HD high definition picture quality, perfectly restoring the various detail which 1080P transmitters cannot display. 0.1s Latency & Undistorted Signal OutputSignal experiences only 0.1s latency(almost real time) even when streaming 4K 3D video to an 4K device. 98.4ft Transmission Distance & Dual Antenna The wireless hdmi 4k built-in 2.4GHz/5GHz dual-band WiFi module with high sensitivity antenna, transmission distance up to 30M (98.4FT) with only 0.1S delay.Plug and PlayEasy to install ,No software or WiFi connection required.Two Ways for UsingEither by plugging the transmitter directly into the source device or using the mirror mode. (Support Windows / Mac OS / iPad OS / iOS / Andriod System)Wireless HDMI Advantages:1. Stream 4K HD 3D high quality pictures and videos.2. Wireless, No need bluetooth.3. Plug and play, No need any APP.4. Dual antenna, support 5G high speed. long signal range up to 98ft / 30M away.5. Transmits through walls,floors & ceilings6. The receiver has HDMI , VGA ,Audio ports. can support external audio.7. You only need to connect with the receiver directly if you use your phone .8. Portable , easy to take while on business.9. Can be used widely in our life for Business, Home theater, Education, Games, Conference....etc.Q&:Q: Do I have to install any App before use?A: No, it is plug and play.Q: Does this product need to link Bluetooth and WiFi?A: No, it doesn't need.Q: Can use for conference?A: Yes, sure can. it is use for conference, education, game. busines, office...etc.Q: What kind of device can use this product?A: The device which has output to tansmitt and input to receive.Q: How stable is your hdmi transmitter and receiver?A: Because wireless HDMI transmitter and their receiver are continuously operating, they tend to get hot after long periods of continuous use. Some devices tend to overheat, especially ultra-compact models. However, our hdmi wifi transmitter and receiver use self-developed chips with excellent performance that do not overheat. We have added a stylish design of ventilation holes on the receivers to prevent them from overheating and affecting their use after prolonged use.Please Note:1) Please use 5V 2A power adapter, and the wireless HDMI transmitter can be charged through the HDMI port.2) If the HDMI port of the laptop or PC doesn't support a power supply, or when the laptop is low power (the power light on the transmitter will be weak or extinguished), the transmitter requires an additional Type-c cable power supply.3) One transmitter could only support one receiver, but you can use more than 1 pair in the same space.Package included:1*Digital wireless HDMI transmitter1*Digital wireless HDMI receiver1*Quick start guide1*HDMI cable2*Type-C cable