With AirKey all that's replaced is the cylinder in your door.
With long battery life of 30,000 access events (or 12 months usage) before changing common CR2 batteries.
AirKey makes your life easier and gives you greater independence. With AirKey you can open doors with your smartphone, send keys via SMS and easily organise your entire access control system. Consequently, AirKey offers you maximum freedom and maximum security – professionally or privately.