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Slim 720S - Dimmable LED Grow Light - 720w (Triple Dimmer) 3500K (UV/IR) LH351H v2 - (Release 1/1/22)

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Original price $1,599.00
Current price $1,199.00






                             USA Orders - 2-3 Day delivery                               International - Ships in 1-5 Business Days

 Slim 720S Preview - January 1st, 2022 Release Date




          Slim720S is the Most Powerful Triple Dimmer LED Grow Light Ever Created. Growers who want industry best PPFD in 5'x5' (1.5m x 1.5m) area, Spectrum Specific Tunability, Samsung's Latest Horticulture Series LED tech, Next Generation ultra efficient fixtures with 3000+ LEDs & The option to have Auto Sunrise and Auto sunset this is the light for you. Slim 720S delivers all the amazing Proven technology from our highly refined Slim 650S with a Cranked up Meanwell Driver System pumping up to 720 Watts through 3,096 of the world's most efficient LEDs. Slim 720S is specifically engineered for growers in 5x5 areas or growers who want to be able to raise their light up and have better cross lighting and uniformity in their 4x4 or even growers who just want power to spare in the 4' x4' area. 

           Slim720S is engineered to be better than all 700 watt+ LED Grow Lights at every level. This is the Coolest running 700 watt+ LED Grow Light on the planet. Slim 720S is exclusively equipped with 3,096 of Samsung's all-new record-breaking LH351H Version 2 660nm Deep Red LEDs at 3.75 umols/j and LH351H 450nm Royal Blue LEDs paired with the Samsung White LM301H LEDs. This is the only 700 watt+ LED Grow Light with a efficiency rating of 3.0 umols/J or higher thanks to the 3,096 LEDs.
Slim 720S gives you that extreme Max Power, in fixture that Shines brighter, runs cooler, lasts longer & Spectrum control with UV to help you get the mega yields on that boutique quality flower that's always in demand.
          Slim 720S when combined with our touch screen master controller gives growers the power to recreate mother nature with precision control. Full programmable dimmer so you can set the intensity you want right when you want it. Showoff your light in style, Manually Dim your lights up and down all together or even turn on Just the RED LEDs alone or the Blue LEDs alone to show the Spectrum tunability you have equipped yourself with. 


"LED Tech from the Future" Exclusively at Optic LED the V2's everyone wants

NEW! Samsung LH351H V2 Deep Red - 3.75 umols/J

253-881-1355 or inquire at

- For Commercial Quantities email us for special pricing. 

Coverage Footprint:

Flower:                                           Veg:           

4' x 4' area (1.2m x 1.2m)                4' x 4' area (Up to 7' x 7' area)

Max: 5' x 5' area (1.5m x 1.5m)   

         (4' x 4' Grow Tent / 1.2m x 1.2m)



Hanging Height & Dimmer Settings : 


Seedling: 48"+    / 25% Power
Vegetative: 48" + / 50% Power (or 24" @ 25% Power)


Wk1-3 - @24-30""     / 50% Power
Wk4-6 @18" - 24"  / 75% Power
Wk7-8 @18" - 24"  / 100% Power
Wk9-10 @12" - 18" / 100% Power
Pro Tips: It's always best to set the light up higher and let the plants grow up into the light.


Slim 720S Components:

LEDs: 3,096 Total LEDs 

3500k White LEDs: 2,992

- Top Bin Samsung LM301H LEDs  3000k & 4000k Mixed

Bloom Enhancers:

Deep RED LEDs: 64 pcs

- New to the market! Samsung LH351H V2 Deep Red LEDs - 3.75 umols/j

Blue LEDs: 32 pcs

 Samsung LH351H Royal Blue LEDs - 2.8 umols/j



INFRARED LEDs: 4 pcs (Dim Red LED)

- Top Bin Samsung LH351H Infrared LEDs   

Ultra Violet LEDs: 4 pcs (Dim Purple LED)

- LG UV LED - Proven Increased Resin Production and Potency of oils


Optics: 120 Degree Primary Lens on all LEDs

(No Secondary Optics on fixture)

Drivers: Three 0%-100% Meanwell Dimmable Drivers, Black Vented Housing.

Dimmers: 3 Independent Dimmers

Dimmer#1 (White LEDs Channel) - 570 watts (5.24 LEDs Per Watt)

Dimmer#2 (RED Channel + UV & IR) - 90 watts 

Dimmer#3 (Blue LEDs Channel) - 60 watts 

Controller Tech: Fully Compatible - (*Touch Screen Controller is Sold Separately)

3 Way Dimmability - You can Control the 3 Dimmers Independently

Spectrum Control - 3 Way Spectrum Control, add more Red, White, or blue light independently or programmed in the timer mode.

Dual Port RJ-11 Controller hookup  - Daisy chain up to 200 lights

Thermal management: Passive Cooling from a significantly Overbuilt extruded Heat sink (Fanless Technology - No Moving Parts) 

*Coolest Operating Temp of any High Power Bar Fixture on the market.


Full Spectrum White Light 3500k (Mixed White Light LEDs) (Full Power on 3 dimmers)

+ 660nm Deep RED 450nm Royal Blue + ultraviolet + 730nm Far Red


Dimmer#1 - Full Spectrum White Light LEDs only 

Dimmer#2 - 660nm Deep RED               

 ultraviolet + 730nm Far Red                  

Dimmer#3  450nm Royal Blue 

 (Powerful Spectrum Control leads to healthier plants with lower stress levels leading to higher overall production, yield, and flower quality)

PPF/w: 3.02 umols/j

Test in 4' x 4' Area / 1.2m x 1.2m = 1.44 square meters

PPFD Slim 720S: 

(tested with apogee mq-500 meter in 1.2m tent @710w)

10" Hanging Height PPFD: 1,490 (3.02 umols/J)

24" Hanging Height PPFD: 1,003 


Slim 720S Specifications:

Total LEDs: 3,096

Model of LEDs: Samsung LH351H V2 Deep Reds + IR , LH351H Royal Blue, LM301H Mixed White LEDs & LG UV Diodes. 

PPFD @10": 1,490

ppf/w :  3.0 umols/J

ppf: 1,950 umols

Grams Per Watt: up to 2.6

Yield: Up to 4lbs in 4x4(1.2m) or up to 4.5 lbs in 5x5 (1.5m)

HID/HPS equivalency: 1300 watts DE HPS 

Kelvin: 3500K Day Light White Base + Deep Red + Royal Blue + UV + IR

IP Rating: IP65 Waterproof

Total LEDs : 3,096

LEDs Per Watt Overall : 4.3

White LEDs - Samsung LM301H Mixed White LEDs

Red LEDs: Samsung Version 2 LH351H 660nm Deep Red & iR

Blue LEDs: Samsung LH351H 450nm Royal Blue

Actual Max Power Draw: 720 watts max

Amps:  6.0 Amps at 120v ( 3.0 Amps @ 240v)

Voltage : Internationally Used 110 volts - 277volts (240v cord sold seperately)

Lifetime: Up to 20 Years 

Warranty: 10 Years (see warranty page for full details)

Release Date: January 2022

Shipping: Free Shipping to 30+ countries 

Light Fixture: 42" x 42" Vertical Farming Aluminum BAR Fixture - folds in half

Cables: 6 Foot attached power cord, 4 rope ratchets & 1 RJ-11 cable

Plug: USA, CANADA, EURO, Commercial, etc. (240v sold separately)

(We automatically ship the correct cord for your country)

Dimming3 Dimmer Knobs 0%-100%. 3-Way Spectrum Control 

Spectrum Control: 3 Dimmer Knobs 0%-100%. 3-Way Spectrum Control 

TouchScreen Master Controller: 2 ports, Fully Compatible. 3 Dimmer control

Fixture Dimensions: 42" x 42" x 4.5" 

Fixture Weight: 44 lbs (Aluminum Fixture + Driver Case)

Shipping Weight: 55 lbs (2 Boxes)

Hanger: Comes with 4 adjustable rope ratchet hangers.

Recommended for: Strong Grow Tents, Grow Rooms, Greenhouses & Indoor Cultivations. 

*International Shipments may require Taxes & Duties. Contact us for a quote! - 

Slim 720S Patent Pending.


253-881-1355 or inquire at

 *Compatible with the Optic LED Master Controller ($149.00)


Also, check out our Instagram page for more videos @OpticLEDGrowLights

Slim 720S - Full in depth PAR Meter Testing - 


 Live Unveiling - Slim 720S









Interesting Facts:

#1 - The First Super High Power LED Grow Light to be 3.0 umols/j or above (700w+)
#2 - Slim 720S is the first Super High Power Light to feature Samsung's latest 3.75 umols/j LH531H V2 
#3 - 1 of the Very Few Bar Sytle Lights with Spectrum Control!
#4 - The Coolest Running Light in the 700 Watt Class and above clocking in at 44 lbs of aircraft aluminum with extruded bar heatsinks slotted for maximum surface area and cooling capacity
#5 - The only Bar Style Light on the mainstream market to feature Ultra Violet LEDs (for increased potency and resin production).
#6 - The Longest Lasting 700 Watt + LED Grow Light ever built. 
#7 - 1 of Very FEW High Power Bar Lights using Industry Best Meanwell Dimmable Drivers. 


Click Here to See More Details on Samsung Horticulture LEDs.