720 Watt LED Grow Light | 4x4 LED Grow Light | Grow Lights for Sale | Cultiuana ST-720 LED Grow Light

$439.00 $459.00 Save $20

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ST-720 LED Grow Light Product Description

ST-720 is a great passively-cooled, easy-to-use full spectrum LED grow light at a reasonable price. If you are looking for the best single grow lamp to light a 4x4 grow space, then the ST-720 is a great choice.

ST-720  draws actual 720 watt from the wall. It is engineered with greater dimensions to provide more versatility and better canopy coverage, It is designed for vertical indoor gardening, as well as large-scale commercial growing. 

The total light output of the fixture is an outstanding 1872 umol/s with reported efficacy of 2.6 umol/J.

The light will cover a 4x 4 grow tent at very high intensity or 5x5 at moderate intensity. It is recommended to use this light at around 6' to 24' inches above your plants' canopy depending on how big space you wish to cover and the light intensity you want to deliver to your plants.

ST-720 grow LED is full-spectrum and this is a full-cycle grow light spectrum that will take care of your crops from seed to harvest. Compared to other LED grow lights, the spectrum of this light is a little higher in red, which is really helpful when it comes to the quality of crops.

The integrated powerful white diodes, 660nm deep reds and 730nm far red leds that are optimized for vegetative and flowering. And the 660nm and 730nm are especially assist in driving peak photosynthesis, increasing yields during harvest, and accelerating the efficiency of the light.

The light intensity can be dimmed to preset options from 100% to 75%, 50%, and 25%. The diodes are powered by high quality drivers with a lifetime of over 50,000 hours and a 5-year warranty. The quality drivers come in a lightweight aluminum case with a dimming knob and daisy chain ports.

By connecting with the Cultiuana grow light controller, you are able to dim up to 100 pcs fixtures per zone. Control your growing environment with timed on/off switching, set dynamic light intensity, and schedule timing to help you get the sunrise and sunset effect.

Many growers often asked us, what is the best LED grow light for 4x4 ft grow tent? Well, we give them one of our top recommendations. And this LED grow light is ON SALE!. So shop now before the supplies last!


ST-720 720 Watt LED Grow Light Features

  • 720W power
  • 2.6 umol/j efficacy
  • 1872 umol/s total light output
  • 5'x5' coverage area for veg, 4'x4' for flowering
  • Full spectrum white light +660nm Plant red
    light+730nm far-red diodes, mainly for hemp
  • Onboard dimming function 
  • Daisy-chainable up to 100 fixtures. 
  • Compatible with Cultiuana lighting controller
  • Even light distribution
  • Fanless design for heat dissipation
  • High-quality UL Driver
  • Easy to install and operate
  • Energy saving, Instant start, NO flickering, NO humming, long service life, increased hemp output.
  • Wide input voltage AC100-277V or dimmable
  • 5-Year warranty


  • 1 x AC Power Cord 
  • 1 x RJ 14 Wire 
  • 2 x Ratchet Ropes
  • 1 x US/EU adaptor


ST-720 720 Watt LED Grow Light Specifications


Product Detail Value
Product Name 720W LED Grow Light
Model number ST-720
Actual Power 720W
Input voltage 100-277VAC 50/60Hz
LED Driver UL Driver
PPF 1872umol/s
PPE 2.6 umol/J
Spectrum Standard Full spectrum white light + 660nm Plant red light + 730nm far-red diodes
Coverage Veg 1.5m x 1.5m
Coverage Flower 1.2m x 1.2m
Mounting height ≥ 6" (15.2cm) Above the canopy
Supplementation time 16-20h/day
PF >0.95
Lamp size 1085*1060*47mm
Angle 120°
Housing color Black, with a 2m plug
Material Aluminum + PC
IP IP54 (Indoor use)
Lifespan >50,000H
N.W 12.2KG/PC
Working Temperature -37°C~+55°C
Operating Humidity <95%
Storage Temperature -40°C~+80°C


ST-720 720 Watt LED Grow Light Spectrum


720 LED Grow Light Spectrum

ST-720 PPFD Chart (4x4ft Grow Tent)

720 LED Grow Light ppfd chart

CT-720 LED Grow Light Product Images


ST-720 LED Grow Light Product Dimension

ST-720 LED Grow Light Product Dimension

Rest assured, we stand behind our products.

When you buy a light fixture from Cultiuana, you are buying more than a grow light. You're buying the peace of mind that comes with knowing we stand behind our products, with our hassle-free replacement guarantee and lifetime technical support.

If your grow fixture becomes defective due to faulty materials or any quality issue within 5 years from the date of purchase, we guarantee to replace your fixture at no cost to you or you can either ask for a full refund.