Use and Care Manual
If the smoke is not too dense, after up to ten minutes the alarm will return to 
normal operation.
NOTE: Dense smoke will override the SMART HUSH
TM
 feature and  
sound a continuous alarm. 
   CAUTION: Before using the alarm SMART HUSH
TM
 feature, identify  
the source of the smoke and be certain safe conditions exist.
8. BATTERY
NOTE: This alarm is powered by a sealed lithium battery system.  No battery 
installation or replacement is necessary for the life of the alarm.
IMPORTANT: Constant exposure to high or low humidity may reduce battery life.
 WARNING! DO NOT ATTEMPT TO OPEN THE ALARM  
FOR ANY REASON!
Do not try to repair the smoke alarm yourself. No serviceable parts included.
Low battery: This alarm is equipped with a low battery monitor circuit which 
will cause the alarm to produce a single 'chirp' approximately every 60 seconds, 
followed by the voice message "Low Battery", and the red LED to blink every 
30 seconds.  For the first 5 minutes of low battery, the voice message will occur 
once every 60 seconds.  After 5 minutes, the voice message will occur once 
every 15 minutes. After 60 minutes of low battery, the voice message will no 
longer occur but the alarm will continue to chirp every 60 seconds and blink 
every 30 seconds for a minimum of seven (7) days.
THE UNIT MUST BE REPLACED WITHIN 7 DAYS OF THE FIRST OCCUR-
RENCE OF THE “LOW BATTERY WARNING” TO PROVIDE CONTINU-
OUS ALARM PROTECTION. THE UNIT MUST BE DISCHARGED (SEE 
“PERMANENTLY DISABLE ALARM / DISCHARGE BATTERY” SECTION) 
WHEN ALARM IS IN “LOW BATTERY” CONDITION.










