Conference screen projection Efficiency doubled:By mirroring the screen, files, PPTs, or images from the laptop can be directly synchronized to the projection screen or conference tablet for viewing No wiring required 50m long-distance transmission:Equipped with high-performance antennas, it can easily achieve stable transmission over a 50 meter ultra long distance, and can also be easily controlled in large conference and speech Projection+Expansion Mode Multiple connection options:In projection mode, the laptop's small screen becomes larger, displaying the same image with clearer details; In extended mode, the small and large screens display different images, and office/entertainment do not interfere with each other Compact and exquisite Easy to carry: The appearance adopts minimalist design, intelligently realizing plug and play,Overall, it is very and suitable for carrying around/traveling Colour:black Material:ABS Package Contents: 1 * Transmitter 1 * Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.