# Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack

Detector: Kidde 30CUD10 is a combination smoke and carbon monoxide alarm supplied in a three-pack, with a built-in battery rated for 10 years. Its battery-powered design avoids routine battery replacement, while customer feedback is positive about installation and battery life but raises concerns about reliability, durability, and nuisance alarms.

- [Original product page](https://best-deals.pro/product/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [View offer](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Kidde
- Model: 30CUD10
- Category: Electronics > Smart Home & Security > Alarms & Sensors
- Price: 144.47 USD
- Previous price: 169.97 USD
- Discount: 15%
- Price checked: 2026-11-13T05:45:32.310Z
- Rating: 4 / 5
- Reviews: 1351

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- One alarm combines smoke and carbon monoxide detection, reducing the need to install separate units for those two hazards in the same location.
- The manufacturer describes a built-in 10-year battery and no routine battery replacements during the alarm's life.
- A red LED accompanies the audible alarm for visual notification.
- The manufacturer says its sensing technology is intended to help reduce nuisance alarms from cooking or steam. Customer feedback also reports false alarms around hot showers and boiling water.

## Pros

- Smoke and carbon monoxide detection are combined in one device.
- The sealed 10-year battery avoids routine battery changes during the stated alarm life.
- Customer feedback describes installation as easy, often taking under 15 minutes.

## Cons

- Customer feedback includes reports of malfunctions and units failing within roughly 10 to 18 months, so reported durability is a meaningful concern.
- Some customers report nuisance alarms from hot showers and boiling water, despite the manufacturer's claim that sensing technology helps reduce them.

## Specifications

### Identity
- Brand: Kidde
- Model: 30CUD10
### Power and battery
- Power configuration: Battery Powered
### Dimensions and installation
- Dimensions listed: 1.88"D x 5"W x 5"H
- Weight listed: 7.68 ounces
### Detection and alarm
- Detection: Smoke and carbon monoxide
- Sensor type: Photoelectric, Electrochemical
- Alarm: Audible
- Alarm sound level: 85-decibel alarm
- Visual notification: Red LED light
### Operating conditions
- Operating humidity: Up to 95% relative humidity \(RH\), non-condensing
- Upper temperature rating: 100 °F
### Design and service
- Style: 10th Edition
- Color: White
- Enclosure material: Plastic
- Manufacturer warranty description: 10 year limited warranty

## Before you buy

- The listing describes this as a three-pack. Its built-in media list names a mounting base, three alarms, a user guide, and a wiring harness, but does not clearly specify quantities for every accessory. Confirm the selected listing's package contents before purchase. The 10-year battery description is not a guarantee that each battery will last exactly 10 years, and the listing says to replace the alarm after 10 years or when end-of-life alerts begin.

## A good fit for

- Households wanting smoke and carbon monoxide sensing in a single battery-powered alarm.
- Buyers fitting several locations who want a three-unit pack and do not want routine battery replacement.
- People who value an audible alarm with a red visual indicator.

## Less suited to

- Buyers who need hardwired power or a stated wired interconnection capability. The supplied details describe this model as battery powered.
- Buyers who require consistently trouble-free long-term reliability, given reported failures and mixed reliability feedback.
- Locations where nuisance alarms from steam or cooking would be especially disruptive.

## Customer feedback

Customer feedback highlights easy installation, often described as taking under 15 minutes, and appreciation for the stated 10-year battery. Experiences are mixed on reliability and value, with reports of malfunction or failure within roughly 10 to 18 months and complaints about false alarms from hot showers and boiling water. These concerns matter for a long-life, battery-powered alarm intended for home use. The aggregate ratings are generally favorable but include a substantial low-star portion, so they do not erase the specific reliability and nuisance-alarm concerns.
- Positive themes: Customers describe installation as easy and often completed in under 15 minutes.
- Positive themes: Customers appreciate the stated 10-year battery life.
- Negative themes: Some customer feedback reports units malfunctioning after about 1.5 years or failing within 10 months.
- Negative themes: Customers report false alarms associated with hot showers and boiling water.
- Mixed feedback: Customer opinions on reliability, durability, battery life, quality, and value are mixed.
- Mixed feedback: Opinions on value differ, with some customers considering it a good deal and others feeling it is not worth the cost.

## Frequently asked questions

### What does the Kidde 30CUD10 detect?
It combines smoke and carbon monoxide detection in one alarm.
### Does the 30CUD10 need battery replacements?
The manufacturer describes a built-in 10-year battery and says routine battery replacement is not needed during the alarm's life. It also says to replace the alarm after 10 years or when end-of-life alerts begin.
### What is included in this three-pack?
The listing's built-in media entry names a mounting base, three alarms, a user guide, and a wiring harness. The quantity of every accessory is not clear, so check the selected listing's package details.
### Do customers report nuisance alarms?
Yes. Supplied customer feedback mentions false alarms from hot showers and boiling water. This contrasts with the manufacturer's claim that its sensing technology helps reduce nuisance alarms.

## Alternative options

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- [SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm \| Battery Smoke Alarms with Photoelectric Sensor & Low Battery Warning Function for House,GS509A,8 Packs](https://best-deals.pro/visit/siterwell-gs509a-photoelectric-smoke-detector)
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- [Heiman Smoke Detector, Wireless Interconnected Smoke Alarm for Home, 3 Pack \| Photoelectric 10 Year Product Life, Battery Operated Tiny Fire Alarm for Indoor Apartments Rental, UL 217, S1-R](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [X-Sense Smoke Detector, 10-Year Battery, UL 217 Certified, SD2L0AX, 1-Pack \| Fewer Cooking Nuisance Alarms, Photoelectric Sensing, One-Button Hush & Self-Test, Easy No-Wire Installation](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [SITERWELL Smoke Detector Photoelectric Smoke Alarm 9V Battery \| Hardwired Smoke Detectors Interconnected, Fire Alarms with Test/Silence Button, UL217 Listed Fire Detector,GS562A, 2 Packs](https://best-deals.pro/visit/siterwell-gs562a-photoelectric-smoke-alarm)
- [SITERWELL Smoke Detector 9V Battery Operated with Photoelectric Sensor & Low-Battery Warning, Easy to Install Fire Detectors, UL217 10th Edition Listed,GS509A, 4 Packs](https://best-deals.pro/visit/siterwell-gs509a-photoelectric-smoke-detector-4-pack)
- [Kidde Smoke & CO Detector, Hardwired & 10-Year Battery, 30CUA10, 1 Pack \| Wired Interconnect Capability & No Battery Replacements with Smoke & Carbon Monoxide Detection, Ideal for Homes & Apartments](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [2-in-1,Home Detector, Home Safety Siren Combination Detectors 6 Pcs \| interlink fun...](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [Heiman Smoke & Carbon Monoxide Detector Combo 10-Year Sealed Battery, 6Pack \| UL 217 10th/UL 2034 5th Certified/85 dB Alarm, Photoelectric Fire Smoke Alarm & CO Detector for Home Hotel Rental Apartment](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
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## Add-ons

- [Kidde Smoke Detector, 10-Year Battery-Powered, 20SD10, 1 Pack \| No Battery Replacements or Low Battery Chirps, LED Status Lights & 85 dB Alarm, Ideal for Homes and Apartments](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)
- [Kidde Wiring Adapter for Hardwired Smoke & Combination Detectors, 20-9003 \| Wiring Adapter for Hardwired Smoke and Combination Detectors, Easy Installation, No Rewiring, For Homes and Apartments](https://best-deals.pro/visit/kidde-30cud10-smoke-carbon-monoxide-detector-3-pack)

## Images

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 1](https://best-deals.pro/i/DyMSfYdiDKQ4zRXDpexGACA7-5q_2qGVBS7A72PHrKxMURQAqpX_9W4pIHYu-FgtE_gr5_TWNH2KtoiX7o1dVsApyu3UN91VbCcNGQ97JxU7zvxhSCuR3mkh.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 2](https://best-deals.pro/i/SGK7p9wKCJJEUbIp7bwbRxtlpbAt7rhcGh2UyAeFGdCm7N4V2xaNKRTjGUOLbNByFJ-surL7s8FYfKnfoBgiWjZ3v2X5LxDEh7ECKxLbwaHaUxxMkJDpGT0q.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 3](https://best-deals.pro/i/kLfVD7tghClVMAWJmfpWgSa1AihxXgx7Imu0XBbzoiHwEqfFPFI9fDju3jI4adNdhI9RDZKWcU2ORrH9NUd2NV5HgY4bd5TMuaSiVWR3eK9UH1SjYITQhSn1.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 4](https://best-deals.pro/i/UHQBzdV2YflLAsXuDCMHn0G5oOMCV1vGo08mGDlUEMSknXVwXgxDzc7CGmg6_90mZAwbYy-vEN8QxxQFFuXXNVxPZy6GhPndRYWJ7fPVOaAO9VJ-NT4Tc2XR.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 5](https://best-deals.pro/i/GRK2myNjnMq_kOkuEUits93IkGvzCTTZukXIyo8gj70_xgQcUBNbKUBJUqm5Bb-yN_KxL7vNSdG5kNzBarNDf-TmNfwePSwc1T7Twvg-_FbBHKg8z6isRWTi.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 6](https://best-deals.pro/i/gqh0MUyk8GD8G-hNIc93edf0xteSoEsiSupOvR5zb5L0l49Eb7Lm-Vw3T9Dq_-KsnBJiSn9mwWLqpVaWpBcPoYPOXzMxvb5dXfQNbjr0HTU5A1f_8t2PdE0C.jpg)

![Kidde 30CUD10 Smoke and CO Detector, 10-Year Battery, 3-Pack — 7](https://best-deals.pro/i/rODcpigZFHF5X4uwu4YIDMeftiEpCrOTiy2fEyTd5syXEYqCPnxHseaIj5BmzYkN9FvR5SlNqD4DcVkPmKwXKfVctPIRJwfWwWB_GDLVvCkjmCsf3-XjDlKZ.jpg)