Kidde 20SA10 10-Year Hardwired Smoke Detector with Interconnected Alarm and LED Warning Lights (Upgraded to SMAC10YFEX)

Alarm Warnings -- featuring multi-color LEDs
Fire: The red LED will flash in sync with the alarm pattern (3 long beeps). The alarm will repeat this pattern until the unit is reset or smoke is eliminated.
End of Unit Life: Two chirps and amber LED flashes per minute.
Alarm Memory: Alerts a user if smoke has been detected in the last 24 hours. If smoke has been detected, the red LED blinks every 15 seconds.

Features & Benefits
Worry-Free 10-Year Battery -- No battery changes for 10 years.† Avoids inconvenient battery replacements and saves up to $40 over the life of the device.
Self-testing Alarms* -- For added assurance, internal components ensure alarm is always operating as expected.
Simple Installation -- Easy install with included twist-and-click mounting bracket.
End-of-life Notifications -- This alarm beeps to remind you it’s time to replace it 10 years after it is powered.

Model	20SA10
Power Source	120V AC, 60 Hz, with 10-year† sealed battery backup
Smoke Sensor	Photoelectric
Audio Alarm	85dB at 10ft
Temperature Range	40˚F (4.4˚C) to 100˚F (37.8˚C)
Humidity Range	Up to 95% relative humidity (RH), non-condensing
Size	5" W x 2" D x 5" H
Weight	0.77 lb
Wiring	AC wiring, plug-in quick connector
Interconnects	Interconnects with up to 24 Kidde devices. Please see User Guide for list of compatible alarms. This alarm is not designed to be interconnected with other manufacturer's products, unless otherwise specified.
Warranty	10-Year Limited Warranty (battery included)
Replacement Batteries	N/A