First Alert FG200B Family Gard Basics Smoke Alarm, 2 Count (Pack of 3) | Battery Operated Smoke Detector , White

IONIZATION SMOKE SENSOR | This smoke alarm is quick to detect fast-moving fires and flammable particles that easily spread; crucial for apartments, dorm rooms, or hotels RELIABLE 85-DECIBEL SIREN | Effectively warns occupants of threat through sound; provides protection even when electricity fails or during power outages LOW BATTERY INDICATOR & TEST BUTTON | Beeping signal warns when battery needs replacing; test button ensures alarm is functioning correctly HINGED COVER DESIGN | Allows for fast, easy installation and battery replacement; doesn't require professional installation or servicing TAMPER-RESISTANT LOCKING PIN | Locks alarm cover to prevent removal of battery RIGOROUSLY TESTED | All First Alert smoke alarms are rigorously tested to meet UL standards INCLUDES WARRANTY & BATTERY | 3-year limited warranty; 9-volt battery included