iPad Air 2 (2014) WiFi & Cellular

Body
Dimensions: 240 x 169.5 x 6.1 mm (9.45 x 6.67 x 0.24 in)
Weight: 444 g (3G/LTE)
Build: Glass front, aluminum back, aluminum frame
SIM: Nano-SIM, eSIM

Platform
OS: iOS 8.1, upgradable to iPadOS 15
Chipset: Apple A8X (20 nm)
CPU: Triple-core 1.5 GHz Typhoon
GPU: PowerVR GXA6850 (octa-core graphics)

Camera
Rear Camera: Single, 8 MP, f/2.4, 31mm (standard), 1.12µm, AF
Selfie Camera: Single, 1.2 MP, f/2.2, 31mm (standard)