- Better than Nothing: detector per camp
- Getting Good: detector per shelter
- 10-year, built-in lithium batteries, rather than removable batteries, seem to stay put and last longer.
- Detectors are often much cheaper wholesale.
NFPA Journal: “Sound the Alarm: How a project to install smoke alarms in informal dwellings in South Africa promises a safer future for the country—and for millions of people around the world”
Researchers had determined through the earlier project and subsequent research that photoelectric smoke alarms—as opposed to ionization smoke alarms or rate-of-rise heat detectors—were best suited to detecting the kind of smoldering fires that plague South Africa’s informal dwellings.