A driveway alarm can improve your security
by giving you advance notice of both welcome
and unwanted visitors. It can also help you
avoid missing deliveries. The most common
systems cover up to 1000 feet, but units
that work up to 2500 feet can also be purchased.
There are basically three types
systems, depending on their sensor
- a motion detector that is activated by either
large animals or moving vehicles
- an invisible beam that, when broken, activates
- a metal detector that will only be set off
by large, metal objects, such
Which type of sensor you choose
your objectives. The metal-only
are excellent in areas where
wild life, such
as deer or coyotes, would otherwise
the alarm. On the other hand,
a motion detector
can alert you to people entering
- Most systems use a wireless signal to activate
the in-home receiver. This eliminates the
need for running a wire.
- The detectors can be battery or solar powered;
here again, this saves you the effort of
running power out to the sensing location.
However, batteries need to be replaced and
some areas, particularly shady locations
or cloudy northern climates may not be suitable
for solar powered units.
- The alert tone or message can vary. Choose
one that is suitable for your needs. Some
systems also will connect to outdoor lighting,
so that you can illuminate the drive when
Most systems allow you to buy
equipment that can cover up to
locations on your property at
the same time.
These features can be installed
areas such as garages, barns,
pools. They can sound alarms
flood the areas with lights.