Note: It can be controlled through the screen touch of Android head unit in our store. This digital TV tuner is special plug to our head unit. Does not sell it alone. It doesn't compatible with the head unit sold by other suppliers. It fits for America, Canada, Mexico area.   Product Features: ATSC tuner digital tv receiver Compatible with ATSC MPEG2 MPEG4 AVC/H.264 perfectly  Reception frequency : VHF (177.5~227.5)MHz,UHF(474~858)MHz Equipped with high speed car special chip, support up to 250KM/H Video output (Composite video CVBS) and 2 audio output (Double track stereo output) Resolution format:480i, 480p, 576p, 720p,720i Frequency band width: 6, 7, 8MHz Support automatic search, manual search, fast search function Support the graphic display function(TELETEXT), electronic program navigation function(EPG). Reception sensitivity:-78dBm -20dBmV Input impedance :75 Omega Power:DC12V-1A with active integrated antenna and passive antenna(optional) Powerful program management functions: It can delete the current existing programs through the program management menu. Settings like program,Program locking,Program classification sort. OSD MENU:support Chinese, English, French, German, Italian, Spanish, Turkish, Czech,Greek, Russian, slovak, polish, Vietnamese.   Package includes: 1 x ATSC main unit 1 x Digital TV receiver antenna 1 x Power cable