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The Kidde i4618 is an AC/DC powered ionization smoke alarm that operates on a 120V power source with 9V battery backup This alarm uses ionization sensing technology Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms.
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SMOKE ALARM FEATURES
• Model ADC features a False Alarm Control which, when activated, quiets unwanted alarms for up to 15 minutes.• This smoke alarm is powered by 120V AC and a 9-volt battery back-up source. AC/DC smoke alarms offer added protection in the event of a power failure or a drained battery.
• Unique power connector prevents interconnection with incompatible smoke alarms or security systems.
• This smoke alarm may be interconnected with as many as 11 other Firex model FADC, AD and ADC smoke alarms, or as many as 6 Firex model ADH heat alarms for a total of not more than 18 interconnected devices.
• Optional tamper-resist feature can serve as a safeguard against tampering. • Unique “battery missing” lockout. The smoke alarm will not attach to the mounting bracket if a battery is not in the battery pocket.
• Improperly connected or weak battery signal. The smoke alarm will sound a short beep about once a minute if the battery is weak or improperly connected.
• Separate green and red LEDs indicate that the smoke alarm is receiving AC power, working under normal operation, in alarm, or under false alarm control.
• Loud alarm horn—85 decibels at 10 feet—sounds to alert you to an emergency.
• This alarm incorporates the internationally recognized horn signal for evacuation. During alarm mode, the horn produces three short beeps followed by a 2 second pause and then repeats. This pattern is somewhat different than the previous alarm sound, which continually beeped.
• Test button checks smoke alarm operation. Model ADC also features a False Alarm Control which, when activated, quiets unwanted alarms for up to 15 minutes.
Feedback Jedi
September 5, 2025
I'm very satisfied with this smoke detector. I had 8 in my house and all are faultless. Make sure to buy a decent 9 Volt Battery so you don't have to mess with it other than the routine testing.Pros:Easy Installation: The smoke detector was incredibly easy to install. It comes with a 9V battery, making it a true plug-and-play solution granted your existing pigtails are the same. If not, then just wire the connectors that came with it and you're good to go.Convenient Design: The front-load battery door is a great feature, allowing for quick and easy battery replacement without removing the detector from the ceiling. If you have a ceiling. This feature is god send.Compatible with Existing Wiring: I bought the same model as my previous set, which lasted 5 years. This allowed me to use the existing connector plug, making the replacement process seamless and hassle-free.Reliable Performance: Having had good experience with my previous Kidde detectors, I trust the reliability and effectiveness of this model in keeping my home safe.Overall, the Kidde 21026063 is a dependable and user-friendly smoke detector. If you're looking for an easy installation and reliable performance, this is an excellent choice.
Susan Gooding
August 24, 2025
This product was made well and easy to install no issues
H D
August 5, 2025
Kiddie is one of the big companies, in this case use a name brand it's your life we are talking about. It's been installed about a year now still working great. Basic wire job remember to turn the breaker off before starting. Very loud, and easy install, change the battery per the instructions. This smoke alarm will save you and your families life.
jjginma
July 5, 2025
I just got three of these, this afternoon. I thought installation was pretty simple, and just required replacing the old plug with the plug provided. These are hard wired with a battery backup, and, within hours, the one outside my bedroom door started beeping. A battery test confirmed that the 9v battery provided is dead. Now I have to put up with annoying, periodic beeping all night until I can buy new batteries tomorrow. I'll be replacing all the batteries just in case.
Katie Newman
May 28, 2025
I got the one that was replacing the original and plugged in and works great. Looks nice too. Great price !!!!
TYLER CAMPBELL
May 24, 2025
Perfect size for replacing old ones. Like the front battery door - much easier. Great that harness was included. Would recommend.
Brett and Melissa Nelson
March 8, 2025
Great price, much cheaper than the box stores. I was able to install them in minutes.
Anil L Patel
February 22, 2025
Works great!
Mark
January 11, 2025
Love it
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