Kidde P4010ACSCO AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm P/N 21027536
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120V AC Wire-in Combination Smoke & Carbon Monoxide Alarm 10-Year Sealed Lithium Battery Backup, Photoelectric Sensor Model P4010ACSCO
The Kidde P4010ACSCO is a combination smoke and carbon monoxide alarm with AC/DC power and a 10-year sealed battery backup. It features voice messaging during alarms, reducing confusion. The alarm uses advanced sensor technology to respond quickly to real fires and CO, minimizing false alarms. Its tamper-proof 10-year battery eliminates the need for replacement, and it prevents chirping in the dark with Ambient Light Sensing.
- 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: Verbally announces “Fire!” or “Warning! Carbon Monoxide!” to help distinguish between threats.
- Easy to Install: Backup battery automatically activates when the unit is attached to the mounting bracket
- Photoelectric Sensor: Smoke sensor 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
User Guide

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