Grow light 4x20 LED

Professional 4×20 LED grow light – smart, wide coverage for serious growing

Light is the first fertilizer. This four‑head (80 LED) lamp with adjustable brightness and a 4/8/12 h timer keeps a steady light cycle, producing compact, sturdy seedlings and reviving low‑light houseplants. USB power and IP54 protection suit home racks and pro benches alike.

Why it works for plants

Red 660 nm supports flowering and yield; blue 460 nm builds roots and stocky growth. Used together, plants stay compact and photosynthesize efficiently. Four heads let you light long trays or several pots at once.

How to use – quick protocol

• Distance: 20–35 cm above leaves; increase if leaves pale or curl, decrease if plants stretch.
• Photoperiod: seedlings 14–16 h; mature plants 10–12 h; always keep a dark rest.
• Intensity: low post‑germination, medium at 2–3 true leaves, high for light‑hungry crops.
• Aiming: heads rotate up to 360° – point outer beams to the edges for uniformity.
• Air & water: brighter light dries media faster; gentle airflow builds stronger stems.

Best uses

Tomatoes, peppers, lettuce, basil and herbs, microgreens, low‑light houseplants and orchids. Ideal in autumn/winter, north‑facing windows or dim rooms.

Common mistakes to avoid

• No “night”. Plants need darkness – use the built‑in timer.
• Lamp too far away. Causes leggy growth; stay within 20–35 cm.
• Lighting only the center. Rotate outer heads to eliminate edge shadows.

Key benefits

• 4×20 LEDs – wide, even coverage for shelves and windowsills.
• 10 levels + 4/8/12 h timer – full control and automation.
• 660/460 nm spectrum – balanced veg and bloom.
• 360° rotation – precise targeting, no harsh shadows.
• USB & IP54 – convenient and protected.

Specifications

• LED modules: 4×20 (80 total)
• Spectrum (λ): red 660 nm / blue 460 nm
• Brightness: 10 steps
• Timer: 4 / 8 / 12 h
• Rotation: up to 360°
• Power: USB (adapter not included)
• Ingress rating: IP54
• Size: up to 195 × 120 cm (coverage area)

FAQ - Frequently Asked Questions

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