About this item

• DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected & red LED light blinks in time with alarm.
• COMPACT DESIGN: 4-inch design is ideal for small spaces.
• ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 8th & 9th Edition, & FCC standards.
• NO WIRING NEEDED: Operates on 2-AA alkaline batteries (included) providing easy installation, simply mount the bracket onto the ceiling and twist & click the 4-inch smoke alarm into the bracket.
• SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
• LED LIGHT: Displays a single red LED light that blinks every 60 seconds to indicate the alarm is on and working.
• TEST & HUSH BUTTON: Makes it easy to test the 4-inch smoke detector and silence false alarms, should they occur.
• 10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced.