See also:

The concept
This system can replace up to three different hand-held transmitters for various types of remote- controlled equipment, such as garage doors or lighting systems. The hand-held transmitter signa ...

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...

External devices
At a glance ...