Features: Support the maximum input resolution of 3840×2160@60Hz; Support the maximum output resolution of 1920×1080@60Hz; Support 8/10/12 bit color depth; No need for external power supply, compact and easy to carry. Specifications: HDMI resolution: The highest input can support 3840×2160@60Hz Video input format: 8/10/12 bit color depth Video output mode: YUV, JPEG Video output resolution: Maximum output resolution 1920×1080@30Hz Support audio format: L-PCM Input cable length: ≤15 meters, AWG26 HDMI standard cable Maximum working current: 0.4A/5VDC Operating temperature range: (-10 to +55℃) Size: 64x28x13 (mm) Connection operation: 1: Connect the UHD signal source and the HDMI input port of the USB capture card through 1 HDMI cable 2: Insert the USB male connector of the USB capture card into the USB port of the computer 3: Acquisition operation steps (OBS): open the software → add a new source → select "video capture device" → set the screen size → Select ‘Studio Mode’ (dual windows) → click on ‘Start Recording’, see the example below for details 1.Add a new source, select ‘video capture device’ 2. Set the screen size 3. Select ‘Studio Mode’ (dual windows) and the above settings are completed. Note: Computer hardware configuration requirements CPU: For PC i5-3400 or above; For NB i7-3537U 2.0GHZ or above Graphics card: PC GT630 or above; NC or above Storage: 4G RAM Package include: 1* Capture card