livepro l1 with 4 ch hdmi inputs and 1 hdmi output, all of them support 1080p. for live streaming, there is a usb3.0 interface . and plus, the lan port for controlling and upgrading; for audio, it has 2 interfaces, one for input, and the other one for output. all of these make it easy to create professional multi camera productions . it is able stream any one from the 4 hdmi inputs to any live broadcasting platform via third party live streaming software such as obs . simply connect livepro l1 and you can switch live between 4 high quality video camera inputs for dramatically better quality images. or connect a computer for powerpoint slides or gaming consoles. the livepro l1 has an exquisite and compact control panel. the 4 buttons are for selecting input signals, green flashing means the signal has been selected, then switch the t-bar, the selected signal will be displayed on the screen seamlessly, the green button changed to red after switched. the menu button is for menu setting, the sw button is for selecting different functions such as mixing, scaling, transition time setting and the other functions. the left knob is for voice volume controlling, the right knob is for menu setting as well. combination of two knobs can to the angel controlling for ptz camera. from the tft screen, we can preview 4 hdmi signals and easily do menu setting. to ensure maximum compatibility, livepro l1 features a usb connection that operates as a simple webcam source. that means you can plug in and instantly get working with any video software. the software is tricked into thinking the livepro l1 is a common webcam, but it is really a live production switcher! that guarantees full compatibility with any video software and in full resolution 1080hd quality. choose any software you like, such as obs software for live streaming, or conference software (tencent conference and yealink ) for business presentations. livepro l1 works with software and platforms such as obs, acquisition softwexquisite and flexible control panelcompact and light weight designmulti- application, one solutionfaster video production, plus live streamingusb 3.0 live streaming make live brocasting more convenient and fast