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HALO

ESTTECH-LED-400i pro

A COMPACT, HIGH-EFFICIENCY LED GROW LIGHT DESIGNED FOR TENTS, LOW CEILINGS, AND VERTICAL SETUPS. WITH OPTIONAL ULTRA VIOLET AND FAR RED SPECTRUM ADD-ONS, IT OFFERS PRECISE LIGHT CONTROL AND STRONG, BALANCED PERFORMANCE IN TIGHT SPACES.

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PRODUCT SPECS

HALO  |  ESTTECH-LED-400i pro

MODEL NO.: EST-LED-400i-pro

BRAND:

SPECTRUM:

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PPF:

PF:

THD:

POWER CONSUMPTION:

HPS EQUIVALENT:

INPUT VOLTAGE:

DIMMABLE:

FIXTURE DIMENSION:

PLANT COVER:

LIFETIME:

CERTIFICATION:

WARRANTY:

CURRENT (A):

ESTTECH

FULL SPECTRUM  +  VIOLET  +  FAR RED

UP TO 1289 UMOL/S

0.99

3.95

400 W

1000 W

110-277 VAC

YES 0-10 V / PWM

4.0 X 3.6 X 0.26 FT 28 LBS

4 x 4 FT

> 54000 HRS

IP65 UL8800

5 YEARS STANDARD

3.70 A / 110V 1.67 A / 240 V 1.44 A / 277 V

THE 400i pro IS A HIGH-PERFORMANCE LED GROW LIGHT DESIGNED FOR PRECISION, EFFICIENCY, AND FLEXIBILITY IN TIGHT GROW ENVIRONMENTS. WHETHER YOU’RE WORKING WITH TENTS, LOW-CEILING ROOMS, OR COMMERCIAL VERTICAL SYSTEMS, THIS MODEL DELIVERS POWERFUL OUTPUT AND TARGETED SPECTRUM CONTROL — ALL IN A COMPACT FRAME.

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EQUIPPED WITH EIGHT 80W PANELS, PLUS OPTIONAL 20W ULTRA VIOLET AND 20W FAR RED (730 NM) SPECTRUM CHANNELS, THE 400i pro ALLOWS CULTIVATORS TO FINE-TUNE THEIR LIGHTING TO SUPPORT EVERY STAGE OF PLANT GROWTH. THE SEPARATE UV AND FAR RED CHANNELS ENABLE FULL-SPECTRUM FLEXIBILITY — ENHANCING ROOT DEVELOPMENT, FLOWERING TRANSITIONS, AND OVERALL PLANT VIGOR.

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EACH POLYCARBONATE LENS HOUSES FOUR CREE DIODES ANGLED BETWEEN 30° AND 90°, ENSURING WIDE, EVEN LIGHT DISTRIBUTION AND EXCEPTIONAL PPFD PERFORMANCE — MAINTAINING HIGH VALUES UP TO 5 FEET ABOVE CANOPY. THIS DESIGN ALLOWS THE LIGHT TO BE PLACED AS CLOSE AS 8 INCHES FROM THE CANOPY WITHOUT CAUSING STRESS, RESULTING IN MORE USABLE LIGHT AND HIGHER PROFIT POTENTIAL.

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COVERING A 4 FT × 4 FT AREA, THE 400i pro IS IDEAL FOR BOTH SINGLE-LIGHT AND MULTI-LIGHT SETUPS. IN SIMULATIONS USING MULTIPLE FIXTURES, PPFD VALUES INCREASE DRAMATICALLY — FURTHER OPTIMIZING CROP YIELD.

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BY SUPPORTING IMPROVED STOMATAL CONDUCTANCE, THIS MODEL ENCOURAGES BETTER TRANSPIRATION AND NUTRIENT ABSORPTION, WHICH ARE KEY TO HEALTHY PLANT DEVELOPMENT AND ACCELERATED GROWTH CYCLES.

THE 400i pro STANDS AT THE FOREFRONT OF CULTIVATION LIGHTING — A COMPACT, VERSATILE SOLUTION THAT COMBINES CUTTING-EDGE DESIGN WITH PROVEN PERFORMANCE.

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SPECTRUM

HALO  |  ESTTECH-LED-400i pro

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OUR SPECIALLY DESIGNED WARM-WHITE SPECTRUM SETS US APART FROM TYPICAL COOL-TONED LEDS — MIMICKING THE RICH, GOLDEN OUTPUT OF HPS LIGHTS TO REDUCE PLANT STRESS AND FUEL HEALTHY, VIGOROUS GROWTH FROM START TO FINISH.

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ULTRA VIOLET LIGHT STIMULATES ROOT DEVELOPMENT, ENHANCES PLANT STRUCTURE, AND TRIGGERS NATURAL DEFENSE RESPONSES FOR STRONGER, HEALTHIER GROWTH.

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FAR RED SPECTRUM SUPPORTS FLOWER INITIATION, ENCOURAGES LARGER LEAF GROWTH, AND PROMOTES FASTER TRANSITIONS TO SLEEP — HELPING SHORTEN GROW CYCLES AND BOOST YIELDS.

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ALL TOGETHER NOW

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WHEN WARM WHITE, ULTRA VIOLET, AND FAR RED COME TOGETHER, THEY CREATE A TRUE FULL SPECTRUM — DESIGNED TO SUPPORT EVERY STAGE OF PLANT GROWTH WITH MAXIMUM EFFICIENCY, BALANCE, AND POWER.

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LOOKING FOR OTHER OPTIONS? EXPLORE THE HALO SERIES — INCLUDING THE 600I, 800I, AND 900I MODELS — EACH OFFERING DIFFERENT POWER LEVELS TO MATCH YOUR UNIQUE GROWING ENVIRONMENT AND CULTIVATION GOALS.

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THE HALO LIGHT

HALO  |  ESTTECH-LED-400i pro

WARM-WHITE SPECTRUM

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ULTRA VIOLET SPECTRUM

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FAR RED SPECTRUM

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FULL SPECTRUM

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SWITCHING TO LED IS A SMART MOVE FOR BOTH SUSTAINABILITY AND EFFICIENCY — REDUCING ENERGY CONSUMPTION, LOWERING HEAT OUTPUT, AND EXTENDING FIXTURE LIFESPAN. ESTTECH LEDS TAKE IT A STEP FURTHER WITH ADVANCED SPECTRUM CONTROL, PRECISION LENS TECHNOLOGY, AND RELIABLE PERFORMANCE DESIGNED FOR SERIOUS CULTIVATORS. CONTACT US TO SEE IF YOU QUALIFY FOR REBATES OR INCENTIVES ON YOUR NEXT UPGRADE.

NEED EXPERT GUIDANCE OR HAVE A QUESTION?
OUR TEAM IS HERE TO HELP WITH PRODUCT SUPPORT, INSTALLATION INSIGHTS, AND CUSTOMIZED LIGHTING SOLUTIONS.

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PHONE:

+1 (818) 583-7322

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EMAIL:

INFO@ESTTECH.COM

© 2025 by ESTTECH INC.

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