240W Samsung LM281B LED Grow Light
240W Samsung LM281B LED Grow Light
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3-Year Warranty
Built for serious growers seeking commercial-grade performance in compact spaces, the 240 W LED Grow Light delivers premium efficiency, uniform PPFD, and balanced full-spectrum output powered by Samsung LM281B horticultural diodes. Perfect for tents, propagation areas, or small grow rooms, this 4-bar fixture combines 2.9 µmol/J efficacy with exceptional reliability and plug-and-play simplicity.
Performance & Efficiency
High Output, Low Power Draw: Delivers 624 – 896 µmol/s PPF while consuming only 240 W of power (≈ 30 % energy savings vs HPS and budget LEDs).
Full Spectrum for All Stages: Balanced 3000 K + 5000 K white with 660 nm deep red for vigorous vegetative growth and dense, resinous flowers.
High-Efficiency Driver: Built-in driver ensures steady power delivery and thermal stability for long lifespan and quiet operation.
1200 Diodes Total: 576 × white (5000 K), 576 × warm (3000 K), and 48 × 660 nm reds for a uniform PAR distribution across the canopy.
High Efficacy: 2.6 – 2.9 µmol/J for impressive grams-per-watt performance.
Design & Durability
4-Bar Layout: Even light coverage without hot spots, ideal for 0.9 × 0.9 m to 1.2 × 1.2 m grow spaces.
Passive Cooling: No fans = zero noise and low maintenance.
IP65 Waterproof: Fully sealed for humid grow tents and hydro environments.
Built to Last: > 50 000 h L90 rating with less than 10 % light degradation over time.
Easy Installation: Lightweight form factor (≈ 4 kg) with rope hangers and standard power cord included.
Smart Control Ready
RJ14 Port Compatibility: Connect up to 200 lights via a Grow Light Controller (sold separately).
Wi-Fi & 4G App Control: Integrate with CO₂, temperature, and lighting sensors for automated precision control.
Dimming: 0 – 10 V dimming range lets you dial intensity from seedling to flower without spectrum shift.
PPFD & Coverage
Optimized PAR Mapping: Achieves > 1000 µmol/m²/s at 15 cm for flowering and balanced intensity at all heights.
30 % Yield Increase: Uniform light penetration promotes consistent node development and larger buds across the canopy.
Recommended Coverage: 0.9 × 0.9 m for flower / 1.2 × 1.2 m for veg.
Ideal For
Indoor cannabis cultivators seeking premium results on a budget.
Small grow tents, clones, seedlings, and veg areas.
Commercial facilities requiring supplemental or edge lighting.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | 240 W LED Grow Light |
| Power Draw | 240 W |
| Voltage Range | 120 – 277 V AC |
| Current | 2 A MAX – 1.15 A MAX |
| Spectrum | Full Spectrum (3000 K + 5000 K + 660 nm Red) |
| Efficacy (PPE) | 2.9 µmol/J |
| PPF (Output) | 896 µmol/s |
| Light Distribution | 120 ° |
| Thermal Management | Passive (No Fan) |
| Ingress Protection | IP65 Waterproof |
| Dimensions (L × W × H) | 550 × 480 × 32 mm (21.65 × 18.89 × 1.25 in) |
| Weight | ≈ 4 kg (8.81 lbs) |
| Lifetime | > 50 000 h (L90) |
| Dimming | 0 – 10 V / RJ14 Port / Controller Compatible |
| Warranty | 3 Years Standard |
Package Includes
1 × 240 W LED Light
2 × Adjustable Hangers
1 × Power Cord
Why Growers Choose this
Samsung LM281B LED array with San’an reds for optimized PAR efficiency
Consistent 2.9 µmol/J output for dense flower production
Plug-and-play setup with built-in driver
Commercial-grade materials and 3-year warranty
Outstanding value for home and commercial applications
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