0 a device on a building that gives a warning such as making a loud noise or flashing a light, or tells the police, if someone tries to enter the building illegally --
1 a device on a building that makes a loud noise or tells the police if someone tries to enter the building illegally --
Nothing is more easy to invent than a burglar alarm, and nothing is more difficult to perfect.
On the security services side, the part of the burglar alarm is rather like that of the minefields around a fortress.
In the end, in this case, the man who made the burglar alarm came and switched off the bell outside.
It costs £250 or even £500 for a good burglar alarm system, and then there is the cost of installing security lighting and security locks.
In my constituency there are two small firms which sell burglar alarm systems and parts, and undertake the installation themselves or through other manufacturers.
Does she agree that burglar alarm equipment plays an important part in the protection of the home?
However, the professional installation of burglar alarm systems in the course of building construction or alteration is normally zero-rated.
Burglar alarm systems are regarded as suitable for domestic use if they are of a kind installed in private houses or similar premises.
