Product description Feature:1. The HDMI transmitter uses standard TCP/IP Ethernet protocol to transmit high-definition audio and video signals via wireless WIFI signals.2. The product can realize point-to-point applications, several to one and one to many.3. The device has excellent image processing and transmission capabilities, making signal transmission smoother and more stable, and it is a cost-effective way to extend HDMI signals wirelessly.4. Built-in automatic equalization system, which brings a smooth, clear and stable image.5. Transmission distance: the open environment can transmit up to 50meters and if it is crossed by the wall, it can transmit up to 25meters.Specification:Item Type: Wireless HDMI Extension CordModel:AY88Color: BlackWireless Frequency: 5.8GHZWide band pixel: 165MHZVideo: HD videoCompressed format: H.264Highest resolution: 1920x1080P/60HzChannel: WIFI is a 5G frequency band, can be collocated automaticallyAC adapter input: 5V DCSupported protocol: HDMI1.3, HDCP1.2Interface bandwidth: total bandwidth 6.75Gbit/sInterface: HDMI-A interfaceImpedance: 100RF power: 13dbmWireless standard: 802.11acPWR: Power indicatorSignal direction: one-waySize: approx. 90 x 82 x 23 mm / 3.5 x 3.2 x 0.9 inchesPackage list:2 x Wireless HDMI Extenders2 x Power plug1 x user manual1 x Instruction Card