LUMii XLED 720W – powerful full-spectrum LED grow light for up to 1.5 × 1.5 m
The LUMii XLED 720W is a modern LED plant lamp for all growth phases – from delicate seedlings to heavy flowering. With up to 720 watts of power consumption, a light output of approx. 1700 µmol/s and an efficiency of 2.4 µmol/J, it is one of the most interesting options for grow tents in the 120 × 120 to 150 × 150 cm range, when it comes to getting a lot of light for little money.
Thanks to its flat, foldable 6-bar design, the XLED distributes light very evenly over the entire area. Hotspots are reduced, and the edges finally receive sufficient photons – ideal if you really want to utilize every square centimeter in a 1.5 × 1.5 m tent. The lamp is fanless, meaning it operates almost silently, making it suitable for discreet home grow setups.
Why the LUMii XLED 720W is so exciting
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Excellent value for money in the 720W class – ideal for 1.2 × 1.2 to 1.5 × 1.5 m grow areas.
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Full spectrum with extended red range – optimized for growth and flowering in a single fixture.
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High efficiency of approx. 2.4 µmol/J – significantly lower power consumption than comparable NDL/HPS setups.
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Homogeneous illumination thanks to 6 LED bars with intelligently distributed chips.
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0–100% dimmable – power adjustment for germination, growth, flowering, and sensitive strains.
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Optionally controllable via controller (LUMii XLED Controller, sold separately) with sunrise/sunset function and Bluetooth/Mesh control.
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Plug & Play – integrated driver in the frame, connection via IEC and power cable.
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Quiet operation thanks to passive cooling, no annoying fan noise.
Technical data of the LUMii XLED 720W
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Power: up to 720 W
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PPF (light output): approx. 1700 µmol/s
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Efficiency: approx. 2.4 µmol/J
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Spectrum: Full spectrum with additional red component (incl. 660 nm) for growth & flowering
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Input voltage: 200–277 V AC, 50/60 Hz
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Dimming: 0–100%, in multiple steps or stepless depending on control
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Recommended area: approx. 120 × 120 to 150 × 150 cm
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Design: foldable 6-bar LED fixture with integrated driver
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Beam angle: wide, for uniform illumination of the entire grow area
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Operating mode: for indoor use with adequate ventilation
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Lifespan: designed for long service life (manufacturer's specification > 50,000 h)
Which grow tent sizes is the LUMii XLED 720W suitable for?
The LUMii XLED 720W particularly excels in grow tents from 1.2 × 1.2 to 1.5 × 1.5 m. In a 1.5 × 1.5 m tent, you can achieve a very good PPFD level for high-yielding indoor grows with optimal distance. In smaller boxes (e.g., 120 × 120 cm), you can simply dim the lamp further and hang it higher – this keeps the light pleasant for your plants without burning the tips.
For maximum control, it is recommended to position the lamp about 30–50 cm above the plant canopy and experiment with dimming until you achieve homogeneous illumination and the plants neither bleach nor stretch.
Dimming, Controller & Control Options
The LUMii XLED 720W can be dimmed directly on the lamp, allowing you to cycle through different power levels without additional hardware. Optionally, you can pair the fixture with the LUMii XLED Controller (sold separately). This opens up additional features such as:
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Sunrise/Sunset function – gentle dimming up and down instead of abrupt switching on/off.
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0–100% control in fine increments for each growth phase.
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Bluetooth and Mesh function, allowing multiple lights in the room to be controlled synchronously.
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Daisy-chaining via RJ11 – ideal if you want to add more XLEDs later.
Especially for sensitive genetics or if you plant very densely, variable dimming is invaluable: You can increase the light intensity as soon as the plants are ready for it, instead of exposing them to full power from day one.
Workmanship & Setup in the Grow Tent
The driver is integrated directly into the frame, which significantly simplifies setup: no external power supply, no additional brackets, and less cable clutter in the tent. The lamp is unfolded, hung, wired – done. Thanks to the foldable bar design, you can also easily install and remove the fixture if necessary, e.g., for cleaning or conversion.
The LUMii XLED 720W is powered via an IEC connection. This allows it to be quickly integrated into existing setups or, with a suitable IEC extension cable, its height can be conveniently varied without having to tinker with the circuit.
Tips & Tricks for Maximum Yields with the LUMii XLED 720W
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Germination & Seedlings: Start well below full power – e.g., 30–40% power at a slightly greater distance. Seedlings are sensitive to too much light but benefit from homogeneous illumination.
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Veg Phase: Slowly increase dimming to approx. 50–60%. This gives you compact plants with short internodes without unnecessarily stressing them.
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Flowering Phase: In a 1.5 × 1.5 m box, you can usually go up to 90–100% if temperature and climate are suitable. Ensure sufficient exhaust and intake air – the XLED is efficient but still brings plenty of photons into the room.
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Lamp higher & more dimmed rather than too close and too weakly dimmed. A slightly greater distance often leads to more uniform buds right up to the edges.
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Use controller if possible: The sunrise/sunset function provides smoother transitions and can significantly reduce stress, especially with sensitive strains.
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Combination with reflective walls: In a well-reflective tent (e.g., Mylar or high-quality tent fabric), you get even more out of the homogeneous illumination of the bars.
FAQ – Frequently Asked Questions about the LUMii XLED 720W
Is one LUMii XLED 720W sufficient for a 1.5 × 1.5 m grow tent?
Yes, the lamp is designed precisely for this area. In a 1.5 × 1.5 m tent, you can achieve very high yields per cycle with correct distance and climate. For smaller boxes, you can simply dim the power down.
Can I use the lamp without an additional controller?
Yes. The LUMii XLED 720W operates completely independently and can be dimmed directly on the fixture. The optional LUMii XLED Controller is only necessary if you want comfort functions such as Sunrise/Sunset, Bluetooth control, or central management of multiple lamps.
Is the LUMii XLED 720W suitable for seedlings, cuttings, and mother plants?
Absolutely – as long as you reduce the power accordingly and increase the distance. The ability to dim the lamp very low makes it versatile – from the cutting rack to the flowering chamber.
How loud is the lamp in operation?
The LUMii XLED 720W operates fanless with passive cooling. You hear virtually nothing during operation – perfect for discreet home grows in an apartment or basement.
What about power consumption?
At full power, the lamp draws up to 720 W. In practice, however, it often runs dimmed for a large part of the grow, so the average consumption is lower. Compared to classic 1000W HPS setups, you get significantly more efficient illumination per watt.
Can I combine multiple LUMii XLED 720W?
Yes. Using the included RJ11 cable and a suitable controller, you can connect multiple fixtures and control them together. This is interesting for larger rooms or if you later want to expand from a single box to a larger space.
Scope of delivery – what's included with the LUMii XLED 720W
- 1 × LUMii XLED 720W LED fixture with integrated driver and short IEC connection cable (approx. 30 cm)
- 1 × Power cable (IEC to 230 V), approx. 1.5 m
- 1 × RJ11 cable (approx. 180 cm) for daisy-chaining multiple fixtures or for controller connection
- 2 × rigid steel cables in “⅄” shape for fixed suspension
- 2 × adjustable rope ratchet hangers for flexible height adjustment in the grow tent
Optionally or additionally, an IEC extension cable (e.g., 2.5 m) is recommended if you need more leeway in cable routing or driver positioning in your setup.
Designation (combined): LUMii XLED 720W LED grow light with IEC connection, optional IEC extension cable (e.g., 2.5 m) and RJ11 daisy-chaining.
Manufacturer information according to supplier
Name: Lumii / HydroGarden Ltd
Street: Unit 19 Lifford Way
Postcode, City: CV3 2RN, Coventry
Country: United Kingdom
Homepage: http://www.grow-lumii.com
