Newbie - ADT at home - what to buy

I am new to Konnected - planning to buy the interface alarm panel or the regular Konnected board

Can you please advise what system to buy and what will be effective- i have 5 zones i guess, and the old adt panel works ok, i have the security code - but not familiar to how to set arm/disarm - adt 3000

Below is the circuit and actual wiring photo

Appreciate your help - thanks in advance