UVC audio and video output, compatible with select Android phones, Hongmeng system devices, and PCs App supports adjustment of screen brightness, contrast, hue, saturation, and backlight compensation Supports photo capture and video recording via App Upgraded to 56 channels Supports return sound Model: FPV Receiver Video output: includes working channel and signal strength indicator Working frequency: 5.8G Working channel: 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-sized design Supports APP-based brightness, contrast, hue, saturation, and backlight compensation adjustments Compatibility requirements: 1. Android phone 2. Hongmeng phone 3. Phone must support OTG function 4. Compatible with Qualcomm's full range of CPUs 5. 950CPU and higher CPUs supported 6. X20CPU and higher CPUs supported 7. Does not support all phones Mobile phone receiver also compatible with Win7, Win10, and Win11 system computers Color: Black Material: ABS Package Contents: 1 x Mobile Phone Image Transmission Receiver 1 x Antenna 1 x 1.274pin Cable 2 x OTG Cable Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3cm.