2026 Mars Hydro TSW 2000 300W Dimmable Full Spectrum LED Grow Light

Update: You can customize brightness through your phone by connecting via Bluetooth with MarsPro App Control. (Insert iConnectu into dimmer box is not include, must be purchased separately.)

The Mars Hydro TSW2000 is one of the best-sellers in home-use LED grow lights. It is a perfect lighting solution for 4-8 plants. Its affordable price, intuitive yields, available dimmer and daisy chain function ensure its salability.

The overwhelming choice for most growers applying in grow tent, small room, cabinet & closet, and plant shelves.

Mars Hydro TSW 2000 Features

Low Energy Consumption LED Grow Light: Consuming 300w and mounted with 704 pcs chips, TSW2000 is able to replace a 400w HPS light while saving 25% electricity energy.

High-Efficiency LED Grow Light: With total light output PPF 716umol/S and leading PPE 2.6umol/j, it’s 50% more photon efficient and can promise a 30% more yield compared to the old HPS/MH lights.

Patent Highly Reflective Hood Design: The reflector design on TSW2000 has been patented, which can effectively collect the light dispersed in all directions to improve its light utilization and help plants obtain more light absorption.

Full Spectrum Plant-Preferred Spectra: By the special combination of spectra that emits most light in the 400-700nm waveband, extremely conducive to plant photosynthesis. Adequate IR(730-740nm) is also included in the spectrum to induce bigger buds.

Dimming And Daisy Chain Function Available: With an independent dimming knob on the removable driver, supporting 0-100% brightness adjustment and up to 15 LEDs daisy-chained in series, it provides various light intensity for different plants stages and meanwhile saves energy.

Reliable Certifications And Warranty: CE, ETL, RoHS, UKCA safety certifications approved, 50,000 hours longevity, 5-year warranty, and local after-sales service centers.

Spectrum

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More information

Mars Hydro Catalog

Specs

Wattage draw: 300W ± 5% @ AC120-277V

HID equivalent: 450 watts

LEDs: 704 Bridgelux, 660-665nm 730-740nm 3000-3200K 6000-6500K

Spectrum: Full spectrum for seed to flower growth

Coverage area: 

• Veg: 4' x 4'
• Flower: 3' x 3'

LED Lifespan: 50,000 hours

PPF: 776umol/S

PPE: 2.6μmol/j

BTU: 1023

Dimmable: Yes

Thermal management: Passive cooling

Daisy chain: Yes

Operating/input voltage: 100v-277v AC

Amps: 

• 120V: 2.451A
• 240V: 1.227A
• 270V: 1.082A

Max Yield: 2.3g/watt

Product weight: 7.68 lbs

Dimensions: 21" x 20" x 3.7"

Recommended height above plants:

• Seedlings: 18" @ 50%
• Veg: 18" @ 75%
• Flower: 12" - 18" @ 100%

Product includes:

• Grow light
• Power cord
• Wire hangers
• Ratchet hangers

Recommended for: Grow tents; Indoor grow operations; Soil, hydroponic, aeroponic, or aquaponic systems

Manufacturer's Warranty: 5 years