I am currently using the AVMATRIX PVS0403U Portable 10.1 inch 4-CH SDI&HDMI Video Switcher, and it's truly transforming my on-the-go video production. The compact 10.1-inch display, along with SDI and HDMI inputs, provides incredible versatility. I am navigating effortlessly through its intuitive controls, seamlessly switching between four channels in real-time. The robust yet lightweight design, accompanied by advanced features like picture-in-picture, is making my work stand out. Despite the initial investment, this portable video switcher is a valuable asset for any serious content creator. I highly recommend it for its reliability and rich feature set.