Specifications В В Model number: A1316 В В Resolution: 2560 x 1440 @ 60 Hz В В Ports: Three high-speed USB 2.0 ports on the back В В Camera and microphone: Built-in iSight camera with microphone В В Speakers: Built-in 2.1 speakers with 49 W output Dimensions: В В Weight: 23.5 lb. (10.7 kg) В В Height: 19.2 inches (488.1 mm) В В Width: 25.65 inches (651.7 mm) В В Depth (with stand): 8.2 inches (208.13 mm) В В Viewable: 27 inches (685.8 mm) diagonal Operating environment: В В Operating temperature: 50° to 95° F (10° to 35° C) В В Relative humidity: 20% to 80% (noncondensing) В В Altitude: 0 to 10,000 feet (0 to 3048 meters) 18 English