Home TVs, HDTVs & 4k TVs TCL 55S421 55″ 4K UHD HDR Roku Smart LED HDTV $338 TVs, HDTVs & 4k TVs TCL 55S421 55″ 4K UHD HDR Roku Smart LED HDTV $338 By ARCOM - 21 February 2019 172 0 SHARE Facebook Twitter Go to the deal page: TCL 55S421 55″ 4K UHD HDR Roku Smart LED HDTV $338