Description: Adopts WiFi transmission technology, through the point-to-point connection between the transmitter and the receiver device, the screen images of computers/mobile phones are synchronized to display devices such as TVs/projectors. The function of the product is same to HDMI cable, but it frees from the shackles of cables, plug and play does not require any operation, the transmission distance is 30M, and the picture definition can reach 4K 30HZ image quality. The transmitter is small in size, connects to the computer, and can move with the computer. Plug and play after power on, no need to download any APP, no other operations, easy to use. Widely Use: Stream movies, TV shows, video, presentations wirelessly from your laptop, PC, Smartphone, gaming console, satellite box, cable box, Camera to HDTV, projector, or monitor Specification: Model: Z1 Material: ABS Size:220 x 140 x45mm/8.7 x 5.5 x 1.8 inch Color: Black Package Includes: 1x Wireless HDMI Transmitter 1x Receiver 1x HDMI Cable 2x Type-c Cables 1x Manual 1x Packing Box(3 Pack) : 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.