The Model-W is designed for high PPFD cultivation practices in vertical farming. Full Spectrum design covers each critical phase of growth from vegetative to flowering. An independent Far Red 730nm Channel is designed to target Phytochrome Far Red in photomorphogenic lighting applications. We listen to growers. We build for growers. The ThinkGrow Difference Outstanding Efficiency Plug and Play Full Spectrum Design On-Board Dimming Adjustable Spectrum External Controllability Group Control IP56 Waterproof From the same company that manufactures TrolMaster, J&L Hydro is proud to bring you ThinkGrow LED's. Our products are designed by growers for growers. The TrolMaster/ThinkGrow engineers bring a combined 30+ years of design and manufacturing. Made for every grower; small home hobbyist or large commercial facility. Spectrum Covers each critical phase of growth from vegetative to flowering. Delivering far-red light to the crop at certain times allows growers to manipulate plant responses, flower faster, and boost yield. Full Spectrum Far Red Spectrum PAR Chart ThinkGrow Comparison Chart Specs Input Power: 630W/ Full Spectrum Channel 20W/ Far Red Channel Power Factor: >90% Input Voltage: Autosensing 100-277V Amp Draw: 120V- 5.24A 240V- 2.67A 277V- 2.35A PPF: >1600 umol/s Efficacy: 2.7 umol/J BTU: 2150 BTU/h Lifetime: L90: >54,000 hours Far Red Channel: Yes Adjustable Spectrum: No Dimmable: Yes Coverage area: 4'x4' to 5'x5' for flowering Mounting Height: >6" above canopy External Controlability: 256 fixture/channel Group Control: Yes Dimensions: 45"L x 44.6"W x 4.44"H Weight: 38.8 lbs Certifications / Listings: DLC, ETL, CE, FCC, IP56 Warranty: 5 years standard warranty Recommended For: Grow Room, Grow Tent, Indoor Cultivation