First Alert Long Life Battery Operated 9V Ionization Smoke Alarm
- Ionization sensor
- Enhanced smoke-gathering design ideal for detectin smoke from flaming fires
- 85 dB alarm wakes event the soundest sleepers
- Convenient single-button operation for silence/test
- Slide-load battery installation with theft-prevention lock to prevent battery and/or alarm from being removed without proper tools
- Low-battery alert
- 10-year warranty