What is a single station detector?

A single station detector is defined as a device designed to detect smoke and trigger an alarm within the same unit, typically used within a single location such as a room or small space. The key characteristic of these detectors is that they operate independently and do not communicate with other alarms or a central monitoring system.

The correct choice accurately reflects that single station detectors are battery powered smoke detectors that do not have the capability to communicate off premises. This means that when smoke is detected, the alarm will sound locally but will not notify any external monitoring service or other devices. This feature makes them suitable for residential use, where a central alarm system may not be necessary, but personal safety is still a top priority.

Other choices describe features related to interconnected systems or alarms that function within a larger network, which are not characteristics of single station detectors. This reinforces the defining attribute that distinguishes single station detectors from more complex fire alarm systems.