Hello to all. I need to install an alarm system in my new house and was
rather taken by the wire-free systems available. (in the Screwfix catalogue)
They seem so easy to install with little mucking about with wires, but what
are the pitfalls? I live in a rural location so interference shouldn't be an
issue, but am I going to spend the rest of my life changing batteries!
Any pointers, recommendations and advice gratefully received.
I have a wireles alarm and have since helped a couple of friends put
them in. We are delighted.. I live in the middle of absolutely nowhere,
too, but have so many cordless phones, wireless video links, Wifi, that
I have lost count - it doesn't seem to be affected by any of it as it
only sends out a burst of rf when it needs to... Absolutely no false alarms.
Having said that, I cheated...
The 9v batteries in the passive IR sensors needed replacing every few
months (the carpets get worn out quickly too...). So I modified two of
them to put in rechargeable batteries and there is a tiny cable now
going from each to a plug-in power supply. No more battery changes!
The switch units need new batteries so infrequently that I have
forgotten what batteries they use.. Mine also connects to standard
window tape, to detect any attack on the window or glass door panel.
Cheating again.. some of my windows just have the foil loop on and no
unit - but you can't tell from outside..
Cheating again, I have one of my standard smoke alarms connected to the
"interference" contacts on a switch unit next to it - whether the
burglar alarm is on or off, the smoke alarm will set off the house
alarm,if it is tripped.
I added a second "wireless" bell box and wired that to a mains adapter
and put it in my study. It is impossibly, painfully, loud. I don't
reckon a casual thief could achieve very much in there with a hand over
It does what it says on the box.
If it's an insurance requirement, a self-installed alarm is
extremely unlikely to be acceptable. If it's just your own
peace of mind, then making sure the house physical security
is up to spec is far more important, so do that first.
Do you have any neighbours who will hear it?
That is an issue. Only the most expensive wireless systems
meet insurance requirements, but they still need professional
install and monitoring for insurance acceptance.
To deter thieving bastards! Around here the Gypoes arrive in a white van, if
you're in they try and flog you a genny, tools or a mini-moto, if you're out
the break in and rob. I've already seen one potential robber arrive at the
farm where we keep the horses and reverse out from the gate when he spotted
security cameras and alarms. I've just fitted a dummy camera, soon to be
suplimented with some real ones when I can afford.
Is it as simple as that? I don't think so. Unless you fit glass 3 inches
thick any robber is in in 30 seconds, the deterrent aspect of the alarm is
Yes, just one. However I note that its posible to have an autodialer system
that should alert you if the alarm activates.
The insurance company don't seem concerned, I'm a DIY person and don't fancy
some muppet making a horlicks of a job and charging me a fortune!
Palindr?me, would you mind me asking who manufactured your alarm, and thanks
for the reply.
Mine's made by A1. I'm not sure that they are still in business..
I decided to get one after finding one of the back windows broken and a
rock in the room*. At least now I'll know when it happens and not a day
or so later..
* No idea how it happened - my neighbours are sheep in fields. Kids from
I have no experience of wire-free systems, I put a dummy bell box up about
20 years ago and recently had all the windows and doors replaced with double
glazed multi-point locking frames, but the crime reduction officer in your
local police force should be able to advise on wire-free systems and any
other aspects of home security.
Yes thanks, I'll be getting one very soon. I'm not bothered by the pro
thief, I've got nothing valuable to nick, just the normal telly, VCR etc.
The Mics that do the rounds near us would struggle to wire a three pin plug,
let alone operate electronic jamming equipment!
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