See also:

Telephone
...

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 ...

Avoiding unintentional alarms
The tilt alarm sensor and interior motion sensor can be switched off together, such as in the following situations: ▷ In duplex garages. ▷ During transport on car-carrying trains, at ...