4.3-in LED TV with Built-in ATSC/NTSC TV Tuner with Rotary Rod Antenna, Earphone Jack & Built-in Speakers. Built-in USB & Micro SD Card Reader Allows You to Play External Devices. AC/DC Operation: Watch Your Favorite Shows at Home or on the Go. Built-in Lithium Rechargeable Battery 3.7V; Remote Control. Resolution: 480 x 272; Contrast Ratio: 500:1; Brightness: 230 cd/m2; Reception: Terrestrial ATSC (8VSB) / NTSC.