First Alert Battery Powered Smoke Alarm with Silence:

• Features a convenient silence/test button
• Allows you to both silence a non-threatening alarm and to test the unit's functionality
• Low battery alert to remind you when to change the battery
• Missing battery guard to ensure that a battery is placed inside the alarm
• This First Alert alarm has a side battery drawer slides open for easy battery replacement
• Blinking power indicator on the unit confirms that it is receiving power
• Contains an optional pin to lock the battery and unit in place for tamper resistance
• Can be mounted on either the ceiling or the wall
• Can be used in mobile homes and RVs
• The First Alert smoke and fire alarm is UL listed for safety
• It has a 10-year limited warranty
• Model# SA303CN3