SMALL BUT ACCURATE: The smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke & slow smoldering fires & more quickly to remind you. Keep your home safe 24/7.
EASY INSTALLATION: The fire alarm can easily install with mounting bracket.
Sound & LED Warning: When the fire alarm detects smoke or detect combustion particles in the air, it will sound their alarms & the red LED will flash rapidly to remind you to check.
SIZE & CAPABILITY - 4 in diameter x 1.22in depth, UL217 certified. Home fires start every 83 seconds, the fire detector can quickly identify the fire & allow the family to flee quickly.
9V Battery -9V backup battery (included) for power supply of fire & smoke alarm. The alarm camp will continue to operate for at least 1 year & provide protection in the event of a power outage.