Alarms Online for Sale in South Africa | DIY Geek
A noise, signal, etc, warning of danger. any device that transmits such a warnings burglar alarm. the device in an alarm clock that triggers off the bell or buzzer.
These devices are used to scare an intruder away from your premises or alert you of a threatening situation such as a fire or the presence of carbon monoxide. The component parts of an alarm system work together to detect, determine and deter danger in your home.
- Wired Home Alarm System. Wired alarm systems are your basic burglar alarm.
- Wireless Home Alarm System. Wireless home alarm systems are exactly what they suggest—security systems without wires. …
- UN-monitored Home Alarm System. …
- Monitored Home Alarm System.A burglar alarm system consists of a series of electrical components that are connected to a property. Via sensors and contacts, they detect movement or the opening of doors and windows, after which a loud alarm is produced to alert those nearby of the unauthorized entry.Plant that does not require any external control tend to only be monitored for a fault condition. This monitoring is referred to as a common alarm, a fault alarm, sometimes a critical alarm or if there are two stages, a pre-alarm and a critical alarmThe most common form of alarm is burglar alarm. This kinds of alarm detects an unauthorized entry to a secured area. It sensed motion weigh and glass or door breaking.Alarms Online for Sale in South Africa | DIY Geek