LIFX Downlight
This 4-inch LIFX Wi-Fi smart downlight delivers 850 lumens, tunable white from 1500K to 9000K, millions of colors, app and voice control, and interchangeable black and white magnetic trims.
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Information
| Maker | LIFX | |
| Category | Extended Color Light | |
| Status | released | |
| Date Released | 2026-06-01 | |
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Price
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the relevant retailer site (including Amazon) at the time of purchase will apply to the purchase of this product. |
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Versions in this family
7 certified versions share this design. Pick the one that matches what you want to buy.
This LIFX smart downlight brings strong, colorful light to a 4-inch recessed can without asking for extra hardware. It puts out 850 lumens while using 10.3W, so it has the punch for everyday rooms, not just accent corners. With LIFX SuperColor, the colors feel richer than a typical smart bulb, from saturated party lighting to softer evening tones that do not wash out the room.
The white range is wide, too: 1500K gives you that low, candlelit feel, while 9000K leans into crisp daylight for task lighting, kitchens, or home offices. It connects straight to 2.4GHz Wi-Fi, so there is no hub or bridge sitting in the middle. You can adjust brightness, colors, schedules, and effects through the LIFX app, or use voice control with Alexa, Google Assistant, and Siri.
The fixture also pays attention to the physical room, not just the app screen. A deep baffle trim helps cut glare, while the flush retrofit design keeps things neat in the ceiling. Black and white magnetic trims are included, which is a small detail that matters when the ceiling, cabinets, or hardware already have a look of their own.
Supported Matter Capabilities
Full feature details →10 clusters across 4 categories · 13 features supported
Controls
2 clustersSecurity
1 clusterAutomation & Scenes
3 clustersOther
4 clustersReviews
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Specifications
| Manufacturer Part Number | DCDB4AAU | |
| Label | LIFX Downlight | |
| Certification ID | CSA2601ZMAT49479-24 | |
| Latest Firmware Version | 4.123 | |
| Matter Version | 1.3 | |
| Support URL | https://support.lifx.com | |
| Network | Matter over Wi-Fi, Bluetooth | |
| Software Versions |
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Firmware Version
The latest certified firmware version for this product.
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| Hardware Version | 1 | |
| Family ID | FAM226249 | |
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Compliance Document
This is the official XML document certifying compliance.
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| Matter Specification Version | 1.3 | |
| Transport Interface | ||
| Primary Device Type ID | ||
| Family SKU | CMC4AUS | |
| Family Variant SKU | DCDB4AAU | |
| Family Variant SKU | DC4AAU | |
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Firmware Version
The latest certified firmware version for this product.
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Compliance Document
This is the official XML document certifying compliance.
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| Primary Device Type ID | ||
| MPN | LFXR4DB/RGBW/RT/4 | |