< p> With the input unit ELT you can open your front door either with your individual code and / or with the chip key reader. Despite their compact design and the discreet design, there are plenty of possibilities in these modules that just want to be discovered. Alternatively, you can opt for the ELT Proximity , Again, the input unit is done with code keyboard and / or chip key reader. In addition, the door can also be opened with a magnetic card.