4-Pack Smoke Alarm Detectors, Home Fire Safety Sensors with Built-in Batteries
Lt has the characteristics of high sensitivity. · Automatic exit silence: The alarm will automatically exit the silence state after maintaining about 90 seconds in the silence state and enter the normal monitoring working state.
4‑Pack Smoke Alarm Sensors with Built‑in Batteries
Lt has the characteristics of high sensitivity. · Press and hold the self-test button, the alarm light is lit and the alarm sound is issued, indicating that the alarm is working normally. Independent photoelectric smoke and fire detection alarm.