FEELWORLD LIVEPRO L1 Multi-Format Video Mixer Switcher 4 Channel HDMI Input Picture in Picture USB3.0 Audio Embed De-Embed for DSLR Computer Video Live Streaming Production Features: Multi-Camera Live Production:Professional multi-camera production video switcher, stream to live broadcasting platform via third party software. All switching is real-time so you can live stream to any social media platform to share. 4 HDMI Inputs & 1 HDMI Output:4 x HDMI inputs from cameras, computers, laptops and 1 HDMI output for external 1080P video transmission. With LAN interface for computer connection and control, 3.5mm audio input and output are accessible. USB 3.0 Live Streaming:LIVEPRO L1 features a USB 3.0 connection that operates as a simple webcam source. Plug in and get working with video software, in full resolution 1080HD quality, widely applicable for live streaming. 6 Picture PVW & PIP:When the switcher is connected with an external expansion screen, it can preview real-time monitoring on 6 pictures. Plus, your can set 9 layouts of PIP(picture in picture) mode. Audio Embed & De-embed:Not only you can embed analog audio into a HDMI signal for recording or live streaming, you can also extract the audio to send over to a larger dedicated audio mixer. LIVEPRO L1 integrates the two functions in one. Flexible T-Bar Switching:The T-Bar supports 14 transition effects and signal switching. Suitable for video special effects switching of small outdoor scenes to meet the needs of video switching such as radio and television. Exquisite & Controllable:With 4 buttons for selecting input signals, SW button to choose different functions, knobs for voice volume control and menu setting. 2.0-inch TFT screen let you to preview 4 HDMI signals and easily set menu. Specifications:  Brand: FEELWORLD Model: LIVEPRO L1 Color: Black Material: ABS Screen Size: 2.0inch TFT screen Back-light: LED Input: 4 * HDMI Output: 1 * HDMI Audio In: 1 * 3.5mm stereo jack Audio Out: 1 * 3.5mm stereo jack Input Resolution:  SMPTE 720p@50/60, 1080i@50, 1080p@23/24/30/50/60 1024*768@60, 1280*720@60, 1280*768@60, 1280*800@60, 1280*1024@60, 1360*768@60, 1366*768@60, 1440*900@60, 1600*1200@60, 1680*1050@60,1920*1080@50i, 1920*1080@60, 1920*1080@60i, 1920*1200@60 Output Resolution:  HDMI SMPTE 720p@60, 1080p@60 1024*768@60, 1280*720@60, 1280*768@60, 1280*800@60, 1280*1024@60, 1360*768@60, 1366*768@60, 1440*900@60, 1680*1050@60, 1920*1080@60 Power Adapter Input: AC100~240V Dimension: 18.5 * 11 * 3.9cm / 7.28 * 4.33 * 1.54in Package Size: 26 * 13.5 * 8cm / 10.24 * 5.31 * 3.15in Package Weight: 1160g / 10.92oz Packing List: 1 * Video Switcher 1 * HDMI Cable 2 * Power Adapters(EU Plug, US Plug) 1 * Extra Radiating Fan 1 * User Manual