ISE 2015: NEC Demonstrates Live 4K UHD Feed on 2mm LED WallFebruary 12, 2015 | Home / February 12, 2015 rave-video / ISE 2015: NEC Demonstrates Live 4K UHD Feed on 2mm LED Wall ISE 2015: NEC Demonstrates Live 4K UHD Feed on 2mm LED Wall