Kidde P4010 Series Alarms contain 10-year tamper proof batteries that eliminate the need for battery replacement, and ends worry over unauthorized removal. The unit’s Ambient Light Sensing feature, which establishes a day/night cycle and prevents alarm chirping in dark conditions.

Hardwire interconnect triggers each connected alarm to sound once smoke is detected. This can provide more time to react.

• Hardwire Interconnect – Join multiple alarms together, so when one alarm sounds they all sound.
• 120 V Direct Wire with 10-Year Sealed-in Lithium Battery Backup – No battery replacement required over the 10 year life of the alarm.
• Photoelectric Sensor – Smoke alarm contains advanced photoelectric sensor that may detect visible particles (associated with smoldering fires) sooner than ionization alarms.
• Voice Notifications – Unit announces “Fire!” and other alerts such as “Replace Alarm,” which helps the user better understand the alarm status. Easily switch your language preference (English/French) at any time by pressing the Test button twice on ALL devices you wish to connect.
• Alarm Locate Feature – Quickly find initiating alarm by silencing other alarms in the network.
• Multi-function One Button Design includes:
  • Hush® Feature – Temporarily silences nuisance alarms for up to 10 minutes (smoke must be present before Hush® is activated). End of Unit Life chirps can also be silenced.
  • Test Feature – Simultaneously tests the unit’s electronics and verifies alarm operation.
  • MFG# P4010ACS-CA
  • Replaces sku# 133884

This product has been discontinued with replacement part available. Please review SKU # 224514, 224515, 224516 as an alternate solution.