There are a couple of factors that you need to take into consideration before choosing the best light for your grow room. In order to provide your plants with light, you will need a grow light which is powerful enough to cover the grow area where your plants are going to be. The area may differ depending upon the scale of your operation. if you are tight on budget and are on thelookout for a lower running cost and a stealthy growing then full spectrum led grow light fits.

ECO FARM 620W/630W FOLDABLE LED GROW LIGHT STRIP WITH SAMSUNG +OSRAM / EPISTAR CHIPS + SOSEN DRIVER

PRODUCT ADVANTAGES:
G120L-F35 Foldable LED Grow Light:  Designed for commercial growers high-efficiency vertical farming cultivation. Up to 2.6µmol/J high efficacy and 886µmol/m²/s high average PPFD created to push the envelope for the maximum crop yield along with sophisticated CO2 supplementation. Full-cycle light recipe provided for horticulture cultivation from vegetative growth to bloom.
G120-V2 Foldable LED Grow Light:  Designed for commercial growers high-efficiency vertical farming cultivation. Up to 3µmol/J high efficacy and up to 1340µmol/m²/s high PPFD created to push the envelope for the maximum crop yield along with sophisticated CO2 supplementation. Full-cycle light recipe provided for horticulture cultivation from vegetative growth to bloom.
PRODUCT DETAILS:
 G120L-F35:
①　Made of Samsung/Seoul and Osram LED.
②　Energy-saving design with up to 1622µmol/s high PPF and 6µmol/Jhigh efficacy.
③　Up to 886µmol/m²/shigh average PPFD for commercial cultivation.
④　Full-cycle light recipes provided for vegetative growth and bloom.
⑤　Waterproof IP66with high reliability in humid environments.
⑥　Input Voltage: 100~305VAC, Power: 630W,PF>0.9.
⑦　Lifetime: 50,000 hours, Warranty: 3 years.
⑧　CE RoHS FCC.

G120-V2-F35:
①　Made of top quality LED from Samsung LM301Band Osram 660nm 730nm.
②　Energy-saving design with up to 1850µmol/s high PPF and 3µmol/Jhigh efficacy.
③　Up to 1340µmol/m²/shigh average PPFD for commercial cultivation.
④　Full-cycle light recipes provided for vegetative growth and bloom.
⑤　Waterproof IP65 with high reliability in humid environments.
⑥　Input Voltage: 100~305VAC, Power: 620W,PF>0.9.
⑦　Lifetime: 50,000 hours, Warranty: 3 years.
⑧　CE RoHS FCC.

GROWER'S CHOICE ROI-E720 HORTICULTURAL LIGHTING STRIPS 720W FULL SPECTRUM LED GROW LIGHT
Product Features:

By far the most powerful LED in its class with a standard PPF of 1850 umol/m2/s and a “BOOST” mode that raises the output to 2050 umol/m2/s, for professional cultivators who demand ultimate light output.
The ROI-E720 was engineered with greater dimensions to provide more versatility and better canopy coverage, especially to the outer edges of 4’x4’ cultivation areas.
Product dETAILES:

720W power draw
2.6 umol/j efficacy
1870 - 2080 umol/m2/s total light output
4'x4' to 5'x5' coverage area for high intensity grow
GC-3k Full Spectrum with 660nm deep red (Osram diodes)
Onboard dimming function (100%, 75%, 50%, 25%)
Compatible with Grower's Choice Master Lighting controller 
Even light distribution
Fanless Design
IP65 Waterproof
Horti DLC; UL1598 and UL880 certification
3-Year warranty 
Specifications:
Wattage draw at the wall: 720 watts (boost to 800 watts)
HPS equivalent: 1200 DE HPS 
LEDs: Osram LEDs; 54,000 hour lifespan until L90
Spectrum: GC-3K Full Phase; Full spectrum with 660nm deep red
PPF (light output): 1870-2080 umol/s
PPF/Watt: 2.6 umol/j
Beam angle: 120°
Coverage area: 4' x 4' to 5' x 5' 
Mounting height: 6-24" above canopy
Dimensions: 46.9” L x 46.8” W x 3.2” H
Cooling: Passive
Dimming: 0-10v
Operating temperature: -20°C to +45°C
Operating/input voltage: 110-277v AC; comes with 120v style plug. If you need to use the fixture for 220-240v applications, we recommend using a 120v to 240v plug adapter.
Amperage: 120V: 6.9A / 208V: 4.3A / 240V: 3.4A / 277V: 3.1A
Product weight: 44 lbs
Additional details: IP65; Horti DLC; UL1598 and UL880
Recommended for: Home grows, best commercial Led grows, Grow rooms, Tents
Manufacturer's Warranty: 3 years full