FireProtect 2 SB (Heat/Smoke/CO) (Black)

- Patented smoke chamber protects the smoke sensor from dust, dirt, and insects
- Detection of dangerous temperature when either temperature is above 64°C or when the temperature rises more than 10°C in 1 minute or less
- Chemical CO sensor triggers the alarm if it detects more than 50ppm within 90 minutes, 100ppm within 40 minutes, or 300ppm within 3 minutes
- Able to interconnect fire detectors (all fire detectors in the system turn on built-in sirens if at least one of the detectors registers an alarm)
- 85dB siren built-in
- Operates up to 10 years (non-replaceable batteries)