Description
SMARTECO Ultra Slim Frame Surface Ceiling Light SE-SDL 24W 36W 48W 4-CCT Switchable Light Excellent for Home & Office (Modern Square Design) Reliable Illumination
Upgrade your indoor ceiling illumination with the Smart ECO Ultra Slim Frame Surface Light Series (Model SE-SDL), engineered to provide sleek, versatile, and energy-conscious lighting for modern residential, retail, and office environments.
Designed for clean surface-mounted installation on solid or concrete ceilings where recessed cutting is not required, this ultra-slim square luminaire delivers a modern, flush-profile aesthetic that blends seamlessly into any interior architecture.
The Smart ECO SE-SDL series is available in three high-performance power configurations and sizes to suit different spatial requirements:
- the 24-Watt model (175 x 175 x H35 mm),
- the 36-Watt model (220 x 220 x H37 mm), and
- the high-output 48-Watt model (300 x 300 x H39 mm).
A standout feature of this lineup is the built-in 4-CCT Color Temperature Switch, allowing users to conveniently select between 3000K Warm White, 4000K Cool White, and 6500K Daylight settings to match their preferred ambiance.
Delivering a luminous efficacy of 70–80 Lm/W across a wide 120° beam angle with a High Color Rendering Index rating of CRI > 80, these surface lights provide even, comfortable light dispersion with faithful color accuracy.
Operating efficiently on standard 220–240V / 50Hz input power with a power factor $>0.5$, the SE-SDL series ensures stable daily performance.
Built with energy-saving LED technology, it helps manage power consumption while maintaining dependable indoor illumination.
Combining modern styling, easy surface installation, and flexible color tuning, Smart ECO SE-SDL Surface Lights offer a reliable and practical lighting upgrade for any room.
Product Detail
| Specification | Model SE-SDL (24W) | Model SE-SDL (36W) | Model SE-SDL (48W) |
| Brand | Smart ECO | Smart ECO | Smart ECO |
| Product Type | Ultra Slim Frame Surface Light | Ultra Slim Frame Surface Light | Ultra Slim Frame Surface Light |
| Model | SE-SDL | SE-SDL | SE-SDL |
| Power Consumption | 24 Watt | 36 Watt | 48 Watt |
| Input Voltage | 220–240V / 50Hz | 220–240V / 50Hz | 220–240V / 50Hz |
| Color Temperature (CCT) | 4-CCT Switchable (3000K / 4000K / 6500K) | 4-CCT Switchable (3000K / 4000K / 6500K) | 4-CCT Switchable (3000K / 4000K / 6500K) |
| Power Factor | >0.5 | >0.5 | >0.5 |
| Luminous Efficacy | 70–80 Lm/W | 70–80 Lm/W | 70–80 Lm/W |
| Beam Angle | 120° | 120° | 120° |
| Color Rendering Index (CRI) | >80 | >80 | >80 |
| Body Dimensions (mm) | 175 x 175 x H35 mm | 220 x 220 x H37 mm | 300 x 300 x H39 mm |
Frequently Asked Questions (FAQ)
Q1: What does “4-CCT with Switch” mean on the SE-SDL series?
A: It means the light features an integrated color temperature switch that lets you easily select between 3000K Warm White, 4000K Cool White, and 6500K Daylight tones to match your preferred indoor ambiance.
Q2: Do these surface lights require a ceiling cutout hole?
A: No. As surface-mounted fixtures, they are designed to install directly onto flat solid ceilings, concrete slabs, or plasterboards using a mounting bracket, requiring no large recessed cutout holes.
Q3: Which wattage (24W, 36W, or 48W) should I select for my space?
A:
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24W (175 x 175mm): Ideal for small rooms, hallways, entryways, and utility spaces.
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36W (220 x 220mm): Great for standard bedrooms, kitchens, and medium-sized offices.
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48W (300 x 300 mm): Recommended for large living rooms, master spaces, open-plan offices, and areas requiring higher total brightness.
Q4: What is the beam angle of these surface lights?
A: The SE-SDL series features a wide 120° beam angle, ensuring expansive and uniform light distribution across your room.
Q5: What power supply do these surface lights require?
A: They operate on standard household mains voltage of 220–240V at 50Hz.





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