All iPad Air 2 devices feature a 9.7" 2048x1536 (264 ppi) LED-backlit IPS touch-sensitive "Retina" display with an antireflective coating and a "Touch ID" fingerprint sensor. Each is powered by a three core 1.5 GHz Apple A8X processor and has 2 GB of RAM.
Other notable features include dual cameras -- a rear-mounted 8 megapixel "iSight" camera capable of shooting stills and 1080p 30 fps video and a front-mounted 1.2 megapixel "FaceTime HD" camera capable of shooting stills and 720p video. Connectivity to computers, if desired, and power is provided by the Lightning port.
Supported iOS Versions for iPad:
iPad 1 - iOS 5.1.1
iPad 2 | 3 | Mini 1 - iOS 9.3.5
iPad 4 - iOS 10.3.3
iPad Air 1 | Mini 2 | Mini 3 - iOS 12.x
Other models update to the current version of iOS