Kidde 30CUDR Smoke and CO Detector 18 Pack
- 18 alarms per pack, model 30CUDR
- Smoke and carbon monoxide detection in one unit
- 85 decibel alarm with red LED warning light
- Two AA batteries, included, no wiring needed
- Photoelectric and electrochemical sensor types
- UL 217 10th Edition and UL 2034 5th Edition tested, plus FCC
- 10-year limited warranty from date of purchase
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A practical bulk pack for landlords or contractors outfitting many rooms with combined smoke and CO protection without running wires. The listing says nothing about linking units together, so plan on standalone alarms.
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ASIN: B0HGBBBGGSModel: 30CUDRCategory: Carbon Monoxide Detectors
Overview
Bedrooms, hallways and rental units can each get one of these battery-powered combination alarms, which watch for both smoke and carbon monoxide from a single plastic housing. Each runs on AA batteries with no wiring, sounds a loud alarm and flashes a red LED when it trips.
Pairing photoelectric and electrochemical sensing in one battery unit means fewer devices on the ceiling and no electrician. Kidde also tuned the sensing to tell cooking and steam apart from real smoke, which matters near kitchens and bathrooms. Battery power is the limit: units chirp for fresh cells, and nothing in the listing mentions hardwired backup or linking.
Who it's for
Landlords, builders and owners of larger homes who want one alarm type everywhere get enough units here to cover many rooms. Households that need only one or two alarms, or that want alarms linked so one triggers all, should buy a smaller or interconnected model.
Pros and cons
- Smoke and CO detection in one unit
- Battery powered, no wiring needed
- AA batteries included
- Loud alarm plus red LED warning
- Interconnection between units not listed
- Battery only, depends on cell replacements
- Warranty is not a battery life claim
- Eighteen units is too many for small homes
Performance notes
Detection rests on the photoelectric and electrochemical sensors, and Kidde tuned the sensing logic to separate cooking smoke and steam from a real fire. Battery health governs reliability, since the unit depends entirely on its AA cells and signals replacement with a low-battery chirp. The loud horn and red LED are the only warning outputs listed, with no voice or app alerts described.
Specifications
| Brand | Kidde |
|---|---|
| Model | 30CUDR |
| Dimensions & fit | |
| Item Weight | 2.6 pounds |
| Item Dimensions D X W X H | 2 × 5 × 5 inches |
| Capacity & performance | |
| Upper Temperature Rating | 100 °F |
| Power & efficiency | |
| Power Source | Battery |
| Construction & materials | |
| Enclosure Material | Plastic |
| Color | Blanco |
| Included components | |
| Unit Count | 18 |
| Warranty & support | |
| Manufacturer Warranty Description | 10-Year Limited Warranty |
| Other details | |
| Sensor Type | Photoelectric, Electrochemical |
| Number Of Items | 18 |
| Product Style | 10th Edition |
| Mfr Part Number | 21033893 |
| Builtin Media | Three Alarms |
| Item Type Name | Combination Smoke & Carbon Monoxide Detectors |
Frequently asked questions
Is the Kidde 30CUDR a hardwired or interconnected alarm?
No wiring is involved: the alarm runs on two AA batteries for a no-wiring setup. The listing does not mention hardwiring or interconnecting units, so treat each alarm as standalone unless Kidde confirms otherwise.
Does the 10-year warranty on the Kidde 30CUDR mean the batteries last 10 years?
No. Kidde states the 10-year limited warranty covers the alarm and is not a battery performance claim. A low-battery chirp tells you when the AA batteries need replacing.
Will the Kidde 30CUDR go off every time I cook?
Kidde uses sensing technology meant to tell real smoke apart from everyday cooking or steam, which helps reduce false alarms. It reduces nuisance alarms rather than promising to eliminate them.
Who is the Kidde 30CUDR 18 pack designed for?
Kidde aims it at homeowners, property managers, contractors and professionals who want code-compliant detection. The 18 count suits fitting out several units or a whole building at once.