Smoke Alarm Sealed Lithium Battery Powered Worry-Free

Worry-Free Smoke Alarm with Sealed Lithium Battery Power
Test Hush Button -a single button that tests alarm and circuitry and temporarily silences nuisance alarms
Led indicator -A flashing red indicator sound, unit error mode, and standby condition.
Sealed-In Lithium Battery- units will continue to operate for 10 years.  Alerts user to replace alarm after 10 years of operation
Power Source: Sealed Lithium Battery
Sensor: Photoelectric
Audio Alarm: 85dB at 10ft
Temperature Range: 40?F (4.4?C) to 100?F (37.8?C)
Humidity Range: 10%-85% non-condensing relative humidity (RH)
Size: 5.22” in diameter x 1.6” depth
Weight: 1 lb.
Interconnects: No
Warranty: 10 year limited