LG 55UL3J-E Owners Manual - Page 20

20 ENGLISH PRODUCT SPECIFICATIONS The product specifications below may be changed without prior notice due to upgrade of product functions. " " refers to alternating current (AC), and " " refers to direct current (DC). LCD screen Screen type Video signal Maximum resolution Recommended resolution Horizontal frequency Vertical frequency Synchronization Input/ Output ports Embedded battery Environmental Operating Temperature Conditions Operating Humidity Storage Temperature Storage Humidity Thin Film Transistor (TFT) Liquid Crystal Display (LCD) Screen HDMI1,2,3: 3840 x 2160 @ 60 Hz -- This may not be supported on some OS or graphics card types. HDMI1,2,3: 3840 x 2160 @ 60 Hz -- This may not be supported on some OS or graphics card types. HDMI1,2,3: 30 kHz to 136 kHz HDMI1,2,3: 58 Hz to 62 Hz Separate Sync, Digital , , , , , x 2, Applied 0 °C to 40 °C (32 °F to 104 °F) Portrait: 0 °C to 35 °C (32 °F to 95 °F) 10 % to 80 % -20 °C to 60 °C (-4 °F to 140 °F) 5 % to 85 %