[Don't need wifi] This is a self-contained device that doesn't connect to the internet itself. once connected to an input and power, the dongle displays a helpful screen to make connecting to it a breeze. only needs to connect to the wireless signal of the adapter, you can put on the device , videos, games, office files, etc. on the device to the high-definition TV/projector. Plug & Play. No need any APP, simple connection can get the convenience of wireless streaming media.No software or WiFi connection required. Get up and running in 20 second with a true plug-and-play experience.Connect it into the port, power it, find mirror function. You enjoy HD video and audio from your device to any TV. When the wireless adapter successfully mirrored to a large screen, the screen can be switched between landscape and portrait through the switch button, which is suitable for more scenarios No need any APP, Plug and Play.Compatible with most output devices, laptop, PC, Blu-ray Player, Camera, DVD, DSLR, Set-top boxes, Cable/Satellite boxes, tablet and more. this receiver mainly support Android, iOS, MacOS,... etc. [Mirror and Extend Mode] Our wireless display adapter is 4k decoding,output 1080P 60Hz,transmit photos, videos, wirelessly from your mobile phones or laptops to a big screen,It can duplicate your screen or to extend different screen to the display. Colour:Black Material:Plastic Package Contents: 1 * Wireless Display Adapter 1 * USB Power line 1 * cable 1 * AV adapter cable 1 * English manual 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.