Electrical Kidde | P4010Acs Hard-Wired Photoelectric Smoke Alarm (120 V) W/ Lithium Battery Backup

Features

• Photoelectric Sensing Technology
• 10 Year Sealed Lithium Battery Backup
• Voice Messaging System
• Ambient Light Sensor
• Smart Hush Control
• Flashing Led Status Ring Allows Easy Identification Of Current State Of Alarm
• Voice Notification: Unit Verbally Announces “Fire!” And Other Alerts Such As “Replace Alarm,” Which Helps The User Better Understand Current Status Of The Unit.
• Easy To Install: Backup Battery Automatically Activates When The Unit Is Attached To The Mounting Bracket
• Photoelectric Sensor: Smoke Alarm Contains Advanced Photoelectric Sensor That May Detect Visible Particles (Associated With Smoldering Fires) Sooner Than Ionization Alarms.
• Ambient Light Sensing: Establishes Day/Night Cycle And Delays Chirping During The Night Until The Next Day Cycle Begins.
• Test / Hush® Button: Tests Alarm Circuitry And Activates Hush Feature To Temporarily Silence Nuisance Alarms For Up To 10 Minutes. End Of Unit Life Chirps Can Also Be Silenced.
• End Of Unit Life Warning: Alerts User The Alarm Is In Need Of Replacement.
• 10 Year Limited Warranty