Smoke Alarm Detectors for Kitchens and Offices (2-Pack)

About this item

• 9V Battery -9V backup battery (included) for power supply of fire and smoke alarm. The alarm camp will continue to operate for at least one year and provide protection in the event of a power outage.
• SMALL BUT ACCURATE: The smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7.
• EASY INSTALLATION: The fire alarm can easily install with mounting bracket. No hardwired anymore and you can install it wherever you want.
• Sound and LED Warning: When the fire alarm detects smoke or detect combustion particles in the air, it will sound their alarms and the red LED will flash rapidly to remind you to check.
• Measurement and capacity - 4 inches in diameter with a 1.22 inch depth, UL217 certification. Fires in homes begin every 83 seconds, the detector can rapidly detect fires and help residents evacuate promptly.