HAIER SMART 50″ 4K TV Resolution: 3840 x 2160, Panel: Plano LCD LED, Image aspect ratio: 16:9, Frequency: 60 Hz, sound modes: Use, Standard, Vivid, Sport, Movie, Music, News Operating system: Android 9.0, Processor: ARM A55*[email protected]Graphics, RAM memory: 1.5G Byte DDR3, ROM: 8G Byte Flash, 3 x HDMI ports, 2 x USB Inputs 2 ,Puerto Ethernet