Features of Thomson UD9 55TH1000 55 Inch 4K Ultra HD Smart LED TelevisionGeneral Type LED Screen Size 55 Inches Resolution 3840 x 2160 Pixels Display 4K Ultra HD 3D No Smart TV Yes Curved TV No Video Features Brightness Yes Aspect Ratio 16:09 Contrast Ratio 300000:1 (Dynamic) Viewing Angle 178 degree Response Time 6.5 ms Audio Features Speakers 2 Sound Technology Surround Sound Output (RMS) 20 W Connectivity Features HDMI 3 USB 2 Headphone Yes PC Audio Input Yes Wi-Fi Yes Power Requirements Power Supply AC 90 - 240 V, 50/60 Hz Power Consumption (Operational) 145 Watts Power Consumption (Standby) 0.3 Watts Dimensions Dimensions (W x H x D) without Stand 1240 x 715 x 110 mm Other Features Web Browser Yes Sleep Timer Yes On/Off Timer Yes Digital Noise Filter Yes More Features ARM Cortex CA53, 64 bit Processor, 1 GB RAM, 8 GB Storage, Android OS,