Smart TV Features : WiFi Built In, 6GB Nand Flash Memory, Browsing, Youtube, Facebook Power Supply: 110V-240V at 50/60Hz Power Consumption (MAX):TBD 1 Year Manufacturer Warranty Display Screen Size:55 (140 cm) Screen Type:LED HD Technology & Resolution: 4k UHD 3840×2160 3D:No Smart TV:Yes Video Display Colours : 1.07G Viewing Angle : 176/176 Contrast Ratio : Dynamic (1200:1) Brightness : 400 nits Selectable Picture Modes : News/Movie/Music/Standard/User Picture Enhancement : Backlight Adjustable, Dynamic Contrast Correction (DCC) Audio Speaker:2 Selectable Sound Modes : News, Movie, Music, Standard, User Sound Enhancement : Auto Volume Leveller Connectivity USB: 2 x USB v2.0 HDMI:2 PC Audio In (MINI JACK) 1 SPDIF, RF IN, 2 x AV IN, 1 x DVD Compatibility (YPbPr/YCbCr), PC(VGA IN) Brand ROWA SKU RO877EL0RE388NAFAMZ-101291 Smart TV Yes Display Size (inches) 55 Model 55D1810A