UVC audio and video output, can be used with some Android phones Hongmeng system and PC The APP can adjust the screen brightness, contrast, hue and saturation Support App to take photos and record videos Upgrade to 56 channels Support return sound Model: FPV Receiver Video output: with working channel, signal strength indicator Working frequency: 5.8G Working channel: newly upgraded 56 channels Video resolution: 720P Interface: SMA inner pin antenna connector Scanning mode: fully automatic FM mode: key adjustment Connection mode: wired connection Mobile APP: USB camera, pocket Support APP to adjust brightness, contrast, hue, saturation and backlight compensation The following conditions must be met: 1: Android phone 2: Hongmeng phone 2: Phone supports OTG function 3: Qualcomm's full range of CPUs are supported 4: 950CPU and higher CPUs 5: X20CPU and higher CPUs 6: Does not support phones. In addition, the mobile phone receiver supports win7, win10, win11 system computers Colour:Black Material:ABS Package Contents: 1 x Mobile Phone Image Transmission Receiver 1 x Antenna 1 x 1.274pin Cable 2 x OTG Cable 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.