[NOTE] Encoder and Decoder are packaged separately. You need to buy them together to use here: https://www.amazon.com/dp/B0DGQ6DHMX [Advancing Visual Control] Use iPad to make video wall or switch to different source/display through tip of finger. Also have button for manual switch on front panel. Simple for anyone with no cost of learning. Note: Control App are available for smartphone/ipad/computer, contact seller for install instruction. [Step up within One Minute] Plug and play with almost any ethernet switch with NONE configuration required. Limitless combination. Able to get power from PoE Ethernet switch. Note: For better performance, gigabit switch is recommended. Or contact seller before order. [Flexible IP Distribution System] Offers multiroom and multi-device viewing. Supports point to point, one to many and many-to-many broadcast of signal through IP network up to 394ft (120m).1080p@60Hz, LPCM stereo with audio extraction on encoder and decoder. [Fast and Seamless Switching] Allows user to have better picture with less bandwidth. L/R stereo audio de-embed from input and output. RS232 pass through. [Excellent Reliability] Preventing thunder strikes, surge protection, superior ESD protection. 1-Year-Warranty for all customers and 3-Year-Warranty for business partners and Free Lifetime Technical Support. [Encoder(HDIP100E)is sold separately. Search ASIN: B0DCMW8GYW] AV Access 1080P HDMI Extender Over IP Decoder, Many to Many or Direct Cat5e / 6, 395ft (120m), Plug & Play Without Configuration, Visual Control, Video Wall, RS-232, Smartphone/Pc Control, HDCP