Lumary L-SD4B4 Smart Recessed Lighting 4 Inch: Easy Smart Control for Everyday Lighting
Ever wished your home could just... read your mind? With the Lumary Smart Recessed Lighting, it pretty much can. These sleek 4-inch, 9W LED downlights aren’t just smart; they’re practically genius, blending right into your smart home setup. Alexa and Google Assistant compatible, so you can boss them around with your voice, an app, or even a remote if you’re feeling old-school. Fancy a mood change? Dial the brightness from a whisper (1%) to a shout (100%) and flip between warm and cool white (2700K–6500K) like you’re choosing the perfect filter for your life.
And here’s where it gets fun: with 16 million colors and 8 preset scenes, you’re the director of your own lighting show. Movie night? Got it. Party time? Sorted. There’s even a music sync feature that turns your lights into a visual DJ, matching the vibe of your favorite tunes or the latest game you’re losing. Set schedules so your lights know when to wake up before you do, control whole rooms with a tap, and yes, they remember your last setting because, honestly, who doesn’t forget?
Worried about installation? Don’t be. The ultra-thin, wafer design slips into even the most stubborn ceiling spaces like it was made for them (because it was). ETL certified, so they’re safe as houses—perfect for giving your place a glow-up, whether it’s a quick refresh or a full-on décor revolution.
- Adjustable Light from Warm to Cool
- RGB Adjustable Colors & Music Sync
- Schedule, Memory & Group Control
- Easy Installation & High Quality
- Easy Smart Control for Everyday Lighting
General specs
- Brand: Lumary
- Model: L-SD4B4
- Seller: Amazon
- wattage: 9 watts
- brightness: 780 Lumen
- color_temperature: 2700 Kelvin
- voltage: 120 Volts
- connectivity_protocol: Bluetooth, Wi-Fi
- control_method: App, Remote, Voice
- included_components: Installation Kits, 4 * Recessed Light with J-Box, 1* BT Remote Control, Instruction Manual
- material: Metal
- shape: Round
- specification_met: ETL
- First listed by seller: 5/31/25
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Lumary L-SD4B4 Easy Smart Control for Everyday Lighting
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Lumary L-SD6B4 Easy Smart Control for Everyday Lighting
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Lumary L-SD4B1 Easy Smart Control for Everyday Lighting
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Lumary L-SD3A4 Multiple control methods
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Lumary US-SD6F-1 16 million colors and dimmable brightness
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Lumary L-SD6G4 3 Lighting Modes for different scenes
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| Brand | Lumary | Lumary | Lumary | Lumary | Lumary | Lumary |
| Model | L-SD4B4 | L-SD6B4 | L-SD4B1 | L-SD3A4 | US-SD6F-1 | L-SD6G4 |
| Color | ||||||
| Rating |
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| Price | $110.49 | $116.44 | $31.49 | $89.99 | $31.49 | $152.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 26, 2025 | July 19, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 |
| wattage | 9 watts | 13 watts | 9 watts | 7 watts | 13 watts | 13 watts |
| brightness | 780 Lumen | 1000 Lumen | 780 Lumen | 350 Lumen | 1000 Lumen | 1100 Lumen |
| color_temperature | 2700 Kelvin | 2700 Kelvin | 2700-6500K Adjustable | |||
| voltage | 120 Volts | 120 Volts | 120 Volts | 120 Volts | 120 Volts | 120 Volts |
| connectivity_protocol | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi | |
| control_method | App, Remote, Voice | App, Remote, Voice | App, Remote, Voice | |||
| included_components | Installation Kits, 4 * Recessed Light with J-Box, 1* BT Remote Control, Instruction Manual | Installation Kits, 4 * Recessed Light with J-Box, Instruction Manual | Recessed Light with J-Box, Mounting Hardware, Hole Cut-out Template, Instruction Manual | Installation Kits, 4 * Recessed Light with J-Box, 1* BT Remote Control, Instruction Manual | ||
| material | Metal | Metal | Metal | Plastic | Metal | |
| style | Modern | Modern | Modern | Modern | ||
| light_fixture_form | Recessed | Recessed | Recessed | Recessed | ||
| room_type | Bedroom, Living Room, Dining Room, Kitchen, Home Office | Bedroom, Living Room, Dining Room, Kitchen, Home Office | Kids Room, Storage Room, Bedroom, Living Room, Dining Room, Kitchen, Home Office, Study Room, Game Room | Bedroom, Living Room, Dining Room, Kitchen, Home Office | ||
| product_dimensions | 6.9 x 6.9 x 0.55 inches | 4.72 x 4.72 x 0.55 inches; 13.12 ounces | 0.4 x 3.2 x 3.2 inches; 2.56 Pounds | 6.85 x 6.85 x 0.55 inches | ||
| power_source | Corded Electric | Corded Electric | Corded Electric | Corded Electric | ||
| installation_type | Flush Mount | Flush Mount | Flush Mount | Flush Mount | ||
| light_source_type | LED | LED | LED CCT RGB | LED | ||
| controller_type | Google Assistant, Siri, Amazon Alexa | Google Assistant, Siri, Amazon Alexa | Remote Control-Not included, Google Assistant, Amazon Alexa, iOS, Android | Google Assistant, Siri, Amazon Alexa | ||
Smart Recessed Lighting 4 Inch
Alice M.
Rennes
June 6, 2025
Before installing these, my home lighting was basic and manual, requiring me to get up to adjust anything. Now, with these smart lights, I can control everything from my chair, creating the perfect ambiance for reading or relaxing. It's made my daily routine smoother and added a touch of modern convenience that I didn't know I needed. The music sync feature is a fun bonus, making evenings more enjoyable, though I don't use it often. Overall, it's a solid upgrade that has improved my home's atmosphere significantly.
- Pros: I expected more but was incredibly pleased with how easily these lights fit into my ceiling without any hassle and how they blend seamlessly with my other smart devices. The ability to change colors and brightness with just my voice or a simple tap is very convenient, and setting schedules means my home feels more alive without me lifting a finger.
- Cons: As it seemed to me, the initial setup took a bit longer than I anticipated, and sometimes the voice commands don't respond immediately, which can be frustrating when I'm in a hurry. I also found the range of preset scenes a bit overwhelming at first, making it hard to choose quickly.