144Hz 1MS LED 1 MS for lagless computing 27" WQHD FreeSync KG1 WQHD on a 2560 x 1440 Resolution Manufacturer Brand:Acer Inc. Features 1 MS for lagless computing 27" WQHD FreeSync 144Hz 1MS LED KG1 WQHD on a 2560 x 1440 Resolution Interfaces/Ports HDMI:Yes DisplayPort:Yes Details Aspect Ratio: 16:9 Backlight: LED Brightness: 350 cd/m² Colour Support: 16.7 million Colours: Black Dimensions: (H x W x D) 333 mm x 557.90 mm x 55.80 mm (without stand) 429.7 mm x 557.9 mm x 215.5 mm (with stand) Environmental Certification: MPR II Panel Type: Twisted Nematic Film (TN Film) Ports & Connectors: HDMI® Power: 50 W (ENERGY STAR® rating) 500 mW (standby) 500 mW (off) Refresh Rate: 144 Hz Resolution: WQHD (2560 x 1440) Response Time: 1 ms GTG Screen Size: 27" Speakers: 2 x 2 W speakers Stand: Tiltable (-5° to 15°) Tearing Prevention Technology: AMD Free-Sync VESA Compatible: Yes Viewing Angles: 170° Horizontal, 160° Vertical Weight: (Approximate) 4.50 kg (without stand) 5 kg (with stand) Warranty 1 Year Carry-In Warranty Brand Acer SKU 100027244_NP-1019405245 Model KG271UA