Kidde 20SDR Battery Powered Smoke Detector with LED Warning Lights

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.
Low Battery: One chirp and amber LED flash 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
2 AA Replaceable Batteries -- Provides power even during short-term power outages for extra peace of mind. Change replaceable batteries every 6 months, or when you hear the low battery chirp.
Self-testing Alarms* -- For added assurance, internal components ensure alarm is always operating as expected. (*Self-testing is not a substitute for a manual push test of the alarm. Perform a button test once per week to verify proper alarm operation.)
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	20SDR
Power Source	2 AA battery operated
Smoke Sensor	Photoelectric
Audio Alarm	85dB at 10ft
Temperature Range	40ËšF (4.4ËšC) to 100ËšF (37.8ËšC)
Humidity Range	Up to 95% relative humidity (RH), non-condensing
Size	5” W x 2” D x 5” H
Weight	0.84 lb
Wiring	N/A
Interconnects	N/A
Warranty	10-Year Limited Warranty (batteries excluded)
Replacement Batteries	Energizer E91, Gold Peak 15A or Golden Power GLR6A. Replacement batteries are available where you purchased this alarm.
Note	Do not use lithium batteries in this unit.