Grand Master LED (GML) Grow Light Tarantula Torch HPS/MH - 850W | 240V | 2.51umol/j | IP66

850W LED Grow Light | Dual Spectrum (HPS & MH) | 5'x5'

SKU: LEDL10404

Grand Master LED

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The Grand Master LED Tarantula Torch 850 HPS/MH LED Grow Light is a next-generation commercial-grade LED lighting solution engineered for professional indoor cultivation across vertical racks, medical gardens, tents, and controlled environment agriculture. Designed with adjustable dual-spectrum technology (HPS/red & MH/blue), this powerhouse light offers unparalleled flexibility for optimising plant growth at every stage — from veg to bloom.

Utilising high-efficiency LEDSTAR white, 660nm, and 450nm diodes, the Tarantula Torch delivers intense, uniform light output with a total PPF of 2,134 μmol/s and an efficacy of 2.51 μmol/J, maximising yields while reducing operational costs. With its 12 preset spectrums and knob dimming function, growers can easily tailor light recipes to their specific crop and growth stage.

Built with an Inventronics driver, fully IP66 waterproof rating, and robust folding design for easy installation, this grow light is made to endure the demanding environments of Australian grow rooms and greenhouses. The unit is compatible with all controllers via RJ14 port and includes a 5-year warranty, ensuring peace of mind and long-term value for commercial growers.

Features

Designed for commercial production, vertical farming, medical cultivation & home grow tents.
Dual channel adjustable spectrum:
- HPS/Red Spectrum
- MH/Blue Spectrum
12 preset spectrums included for optimal growth recipes.
Features LEDSTAR white, 660nm, and 450nm diodes for full spectrum output.
Ultra-high efficacy up to 2.51 μmol/J.
Total PPF output of 2,134 μmol/s ensures robust plant growth and maximum yields.
IP66 waterproof and dustproof — ideal for humid grow environments.
Folding design allows for fast, tool-free installation.
Knob dimming provides manual intensity control.
RJ14 port for compatibility with all major external lighting controllers.
Inventronics driver ensures premium performance and reliability.
Backed by a 5-year manufacturer's warranty.
Optimised for Australian growers looking for energy-efficient and cost-effective cultivation lighting.

Specifications

Max Wattage	850W
Voltage Range	120-277V
Amperage	7.4A @ 120V 3.8A @ 240V 3.3A @ 277V
Flowering Footprint	5' x 5'
System PPF Efficacy	1st Channel (750W): 2.51 μmol/J, 1,832 μmol/s 2nd Channel (100W): 2.52 μmol/J, 302 μmol/s Both Channels Combined: 2.51 μmol/J, 2,134 μmol/s
Dimensions	1114mm x 1109mm x 92.5mm (43.86" x 43.66" x 3.64")
Weight	12.35 kg (27.23 lbs)
Max Ambient Temperature	40° C (104° F)
Recommended Mounting Height	12-30 inches above canopy (varies by wattage & crop)
Certifications	IP66 Waterproof