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Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
Install a smoke detector & carbon monoxide detector on every level of your home and near bedrooms to help keep your family safe from fire & poisonous gas.
Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack
Item #: 35516829

Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack

Item #: 35516829

MMK 475885

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Install a smoke detector & carbon monoxide detector on every level of your home and near bedrooms to help keep your family safe from fire & poisonous gas.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Photoelectric Technology
Utilizes advanced photoelectric sensing to quickly detect slow-burning fires, reducing false alarms and enhancing safety for homes and families.
Battery Backup
Includes a 9-volt battery backup that ensures continuous operation during power outages, providing peace of mind and unwavering protection.
Easy Installation
Designed for effortless hardwired installation, offering a reliable smoke detection solution that integrates seamlessly into any home environment.

Product Details

Keep your family safe with the Kidde P12040 Hardwire Smoke Alarm. Photoelectric sensor technology detects visible fire particles. Includes battery backup for power outages. UL Certified. 10-year warranty. Shop at Ubuy Myanmar
  • Photoelectric sensor technology detects visible fire particles, ideal for smoldering fires
  • Operates on 120V wired power source with a 9-Volt alkaline battery backup (included)
  • Emits an 85-decibel alarm and features a red LED indicator for smoke detection
  • Test-Hush button for easy testing and silencing of false alarms from cooking or steam
  • UL Certified with a 10-year limited warranty; meets UL 217, NFPA72, NFPA101, and FHA requirements
  • Comes with 2 sensor types - photoelectric for visible fire particles and ionization for invisible fast flaming fires
BrandKidde
Style9th Edition
Power SourceHardwired
ColorWhite
Product Dimensions (L x W x H)1.88"D x 5"W x 5"H (4.8 x 12.7 x 12.7 cm)
Item Weight0.8 Pounds (360 grams)
AlarmSmoke Alarm
Operating Humidityup to 95% relative humidity (RH), non-condensing
Upper Temperature Rating100 Degrees Fahrenheit
Sensor TypePhotoelectric

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners needing reliable fire safety solutions with both hardwired and battery backup capabilities.

  • Renters

    Great for renters who want a smoke detector that is easy to install and provides essential safety features.

  • Families

    Perfect for families requiring dependable smoke detection to ensure a safe living environment for children and pets.

Not Suitable For
  • Minimalists

    Not suitable for minimalists who prefer no devices or those with a preference for smaller, less obtrusive options.

Product Description

Kidde Hardwired Smoke Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators, 4 Pack

About This Item

Introducing the Kidde P12040 Hardwire with Battery Backup Smoke Alarm Photoelectric - the ultimate protection for your home and family. This basic smoke detector utilizes advanced photoelectric sensor technology, specifically designed to detect visible fire particles associated with smoldering fires. When smoke or fire is detected, this reliable smoke alarm emits a powerful 85-decibel alarm, giving you and your loved ones ample time to evacuate and stay safe.

The Kidde Smoke Detector is not only powered by a 120V power source, but also includes a 9-volt alkaline battery backup. This ensures continuous coverage and protection even during power outages. With the convenient test-hush button, you can easily check the battery's operation and silence nuisance alarms that may occur from cooking or shower steam.

No more disturbing false alarms! Rest easy knowing that the Kidde Smoke Detector is equipped with a chirp feature, reminding you when it's time to replace the battery. This simple but vital feature guarantees that your smoke alarm is always ready to guard your home against potential fire hazards. To provide comprehensive safety for your household, it is recommended to install smoke detectors and carbon monoxide detectors on every level of your home and near bedrooms.

This ensures an early warning system, protecting your family from both fire and poisonous gas risks. Our Kidde P12040 Hardwire with Battery Backup Smoke Alarm Photoelectric is UL Certified, meeting the highest safety standards. Additionally, it comes with a 10-year limited manufacturer's warranty, offering you peace of mind for years to come.

Don't compromise on the safety of your loved ones. Invest in the Kidde P12040 today and experience unparalleled protection against fire and smoke.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the benefit of having a photoelectric smoke alarm like the Kidde Hardwired Smoke Detector?

    Answer: The photoelectric smoke alarm is designed to detect smoldering fires more effectively than traditional ionization alarms. It uses a light beam to identify smoke particles, resulting in quicker response times for slow-burning fires, which are often more dangerous. For homeowners, this means better protection against hidden fires during the night when smoke might not be detected immediately.
  • Question: Does the Kidde Hardwired Smoke Detector require batteries, and how often should they be replaced?

    Answer: Yes, the Kidde Hardwired Smoke Detector comes with a 9-Volt battery backup included, ensuring it continues to work even during a power outage. It's recommended to replace the battery annually to maintain optimal functionality. A reliable power source is crucial in emergencies, when smoke detectors can be lifesavers during unexpected power failures.
  • Question: How do I install the Kidde Hardwired Smoke Detector?

    Answer: Installation of the Kidde Hardwired Smoke Detector is straightforward. First, locate the mounting bracket and secure it to the ceiling or wall using the provided screws. Then, connect the wiring to the corresponding terminals as per the user manual, ensuring that safety protocols are followed. Proper placement is essential; install it in central areas of your home to maximize smoke detection efficiency.
  • Question: How can I test whether my Kidde Hardwired Smoke Detector is functioning properly?

    Answer: You can test the functioning of your Kidde Hardwired Smoke Detector by pressing the test button on the unit. If the alarm sounds, it’s working fine. Regular testing, ideally once a month, will ensure that the unit is responsive. Maintaining a functional smoke detector is critical for early warning in case of fire emergencies within your home.
  • Question: Is the Kidde Hardwired Smoke Detector suitable for all types of homes?

    Answer: Yes, the Kidde Hardwired Smoke Detector is suitable for all types of residential buildings, including apartments, single-family homes, and larger residences. Its hardwired nature provides a reliable power source, while the battery backup ensures functionality in case of electrical failures. It's a vital component in adhering to safety regulations and providing peace of mind in any living space.
  • Question: What is the life expectancy of the Kidde Hardwired Smoke Detector?

    Answer: Typically, the Kidde Hardwired Smoke Detector has a lifespan of around 10 years. After this period, it is advisable to replace the unit to ensure ongoing effectiveness. Regular maintenance checks can help identify if the device needs replacement sooner. Keeping smoke detectors up-to-date enhances household safety by ensuring you have the latest technology for fire detection.
  • Question: Can the Kidde Hardwired Smoke Detector be interconnected with other alarms?

    Answer: Yes, the Kidde Hardwired Smoke Detector can be interconnected with other Kidde hardwired smoke and carbon monoxide detectors. This interconnectivity allows all alarms in your home to sound simultaneously if one detects smoke, providing an enhanced alert system. For larger homes or multi-level residences, this feature is beneficial for ensuring that everyone is alerted in case of an emergency.
  • Question: What types of fires can the Kidde Hardwired Smoke Detector detect effectively?

    Answer: The Kidde Hardwired Smoke Detector, utilizing photoelectric technology, is particularly effective at detecting smoldering fires that produce more smoke and less heat. These types of fires are common in household items such as upholstered furniture or bedding. Early detection of such fires can prevent larger disasters, making this smoke alarm essential for residential safety.
  • Question: Are there any additional features in the Kidde Hardwired Smoke Detector?

    Answer: In addition to its photoelectric smoke detection capability, the Kidde Hardwired Smoke Detector often includes features like a loud 85-decibel alarm and a test/hush feature. The hush function allows you to silence false alarms due to cooking smoke or steam. These features enhance user convenience and effectiveness, helping to reduce alarm fatigue and ensure alarm readiness.
  • Question: Where can I buy the Kidde Hardwired Smoke Detector with 9-Volt Battery Backup?

    Answer: You can purchase the Kidde Hardwired Smoke Detector with 9-Volt Battery Backup on Ubuy in Myanmar. Ubuy provides a convenient platform for acquiring this essential safety device, ensuring you have the product readily available to enhance your home’s fire safety measures.

Kidde Smoke Detectors & Fire Alarms Editorial Review

The Kidde P12040 Hardwire with Battery Backup Smoke Alarm Photoelectric is a popular choice for homeowners in need of a reliable smoke alarm. It features a photoelectric sensor, which is known for its effectiveness in detecting smoldering fires. The alarm is compatible with a 9-volt backup battery, ensuring that it will continue to function even during power outages. Installation is relatively easy, and the alarm can be seamlessly integrated into existing hardwired systems. However, some users have reported that they had to change the connector when replacing older models. It is also worth noting that a junction box is required for proper installation, as terminating 120v wiring without one would be against code. In terms of performance, the Kidde P12040 has received mixed reviews. Some users have had positive experiences and found the alarm to be reliable, easy to install, and aesthetically pleasing. However, there have been complaints about frequent false alarms, with some users resorting to smashing the alarm out of frustration. Others have experienced issues with chirping alarms, even after purchasing a new one to replace an old malfunctioning unit. One particularly concerning review highlights a situation where multiple alarms triggered a fault, putting the user's safety at risk. The customer faced difficulties with Kidde's customer support and was left without functioning alarms for a significant period of time. Overall, while the Kidde P12040 Hardwire with Battery Backup Smoke Alarm Photoelectric has its advantages such as easy installation and compatibility with existing systems, it also has some notable drawbacks including potential issues with false alarms and alarm malfunctions. Buyers should carefully Consider their specific needs and the potential risks associated with these reported issues.

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Pros

  • Easy installation
  • Compatible with hardwired systems
  • Photoelectric sensor for effective detection

Cons

  • Reports of frequent false alarms

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“Great products and very good service: very easy and very fast international delivery.”

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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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