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Slim 600S gen2 Dimmable LED Grow Light - 600 Watt - Spectrum Control - Dual Dimmer - LH351H v2 (UV)

Save 35%
Original price $1,299.00
Current price $849.00

                                            Shipping Times

                      USA Orders: 5-10 Day Delivery

                      Europe & UK Orders:1 Week Delivery

                      Canada Orders: 1 Week Delivery

                      Japan Orders: 1 Week Delivery


(Commercial Orders inquiry)

        Slim 600S delivers the most powerful & advanced LED Grow Light ever created in the 600 watts or less class clocking in at an incredible 3.35 umols/J.  Get the Latest LED Tech with Samsung LH351H Version 2, Deep RED LEDs rated at 3.75 umols/J, And the new Samsung LH351H Royal Blues, Paired with the Samsung White LM301H LEDs. 2-way dimmable system delivers Spectrum & Intensity controls, running 2,792 LEDs for next-generation efficiency & tunability.  Slim 600S is designed to work perfectly with Touch Screen Master Controller so you can adjust the Blue LEDs and Red LEDs independently and have a beautiful Sunrise and Sunset in the garden every day.
          Slim 600S has all the best components in the industry but is also designed to last 2-3 times as long as all other LED grow lights today with our 10-year warranty. Slim Series from Optic delivers the Industry's most overbuilt cooling systems and the lowest operating temperatures resulting in an easier environment to manage and LEDs that last longer. Slim 600S is equipped with 2 Industry Best Meanwell Dimmable Drivers to power up Samsung Diodes for many years to come. Optic LED is always the first to get you the latest LED Technology from Samsung Horticulture Division.

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

253-881-1355 or inquire at


Coverage Footprint:

Flower:                                           Veg:           

4' x 4' area (1.2m x 1.2m)                4' x 4' area (Up to 6' x 6' area)  

5' x 5' area (1.5m x 1.5m)  

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 600S Components:

LEDs: 2,792 Total LEDs 

White LEDs: 

Samsung LM301H Horticulture series -  2,688 pcs

- 3000k & 3500k Mixed

Red LEDs: 64 pcs

- New! Samsung LH351H V2 660nm Deep RED LEDs 3.75 umols/j

Blue LEDs: 32 pcs

- New! Samsung LH351H 450nm Royal Blue - 2.8 umols/j



Ultra Violet LEDs: 8 pcs (Faint Dim Purple LED)

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


Optics: 120 Degree Primary Lens on all LEDs

Drivers: Meanwell Dimmable Driver 0%-100% (Industry Best)   


Dimmer#1 ( Blue and White LEDs Channel)

Dimmer#2 ( RED and White Channel)

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

2 Way Dimmability - You can Control the 2 Dimmers Independently 0%-100%

Spectrum Control - 2 Way Spectrum Control, add more Blue and White or Red and white 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 2 dimmers)

+ 660nm Deep RED 450nm Royal Blue + ultraviolet

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

PPFD Slim 600S: 1,396

(Tested with Apogee MQ-500 meter in 4x4 / 1.2m x 1.2m Tent)  

6" Hanging Height PPFD: 1,396


12" Hanging Height PPFD: 

PAR Output at different hang heights: 

Slim 600S Specifications:

Grams Per Watt: up to 2.8

Yield: Up to 1680 grams / 60 oz / up to 3.75 lbs

HID/HPS equivalency: 1300 watts DE HPS 

Kelvin: 3500K Day Light White

IP Rating: IP65 Waterproof

LEDs Per Watt: 4.62 Collectively (LM301H - 4+ LEDs per watt)

PPFD @6": 1,396

ppf/w :  3.35 umols/J

Actual Max Power Draw: 600 watts max

Amps:  5.5 Amps at 120v (2.8 Amps @240v)

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

Lifetime: 100,000 Hours+  

Warranty: 10 Years full warranty (Industry Best)

Release Date: August 2021

Shipping: Free Shipping to 60+ countries 

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

Cables: 6 Foot attached power cord 

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

(We automatically ship the correct cord for your country)

Dimming: 2 Dimmer Knobs 0%-100%. 2-Way Spectrum Control 

Spectrum Control: 2 Dimmer Knobs 0%-100%. 2-Way Spectrum Control 

TouchScreen Master Controller: 2 ports, Fully Compatible. 2 Dimmer control 0%-100%

Fixture Dimensions: 42" x 42" x 4.5" 

Fixture Weight: 34 lbs (Aluminum Fixture + Driver )

Shipping Weight: 40 lbs

Hanger: Comes with 4 adjustable rope ratchet hangers.

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

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

Slim 600S 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