connecting ipad Air 2 to

You’ll need a Lightning to Digital AV (HDMI) Adapter:

Lightning Digital AV Adapter

https://store.apple.com/uk/xc/product/MD826ZM/A

Alternatively, if you have an AppleTV box connected to your TV, you can simply use AirPlay over WiFi:

Use AirPlay to stream video or mirror your device’s screen – Apple Support

Hello,

Connect and iPad Air 2 to a tv you would need an Apple TV to airplay its screen or a HDMI to Lightning cable