Features 5 YEAR WARRANTY! SonoFarm is a USA brand and WE STAND BEHIND OUR PRODUCTS WITH PRIDE. We use the highest quality materials and back our products with a 5 year warranty. LOW RUNNING COSTS & HIGHEST-QUALITY YIELDS: SonoFarm LED grow lights utilize the latest technology on the market–from intensive research for optimum performance, to customized spectrums to achieve the highest yields possible. Our model Maxx PRO 8 runs 680watts while being one of the most powerful commercial-grade LED grow lights on the market. Designed to outperform Fluence and Gavita’s best-in-class grow lights. The numbers speak for themselves! DIMMABLE: SONOFARM SERIES grow lights have a dimming knob and ON/OFF switch. Control intensity depending on the stage of growth. SUPPORTS ALL GROWTH STAGES: Full spectrum- white, blue, red and IR (3000K, 5000K, 660nm, IR 730nm) are critical for full bloom and high yield growth. SOLID CONSTRUCTION: no fans = silent & noise-free operation. All of our LED grow lights passed P65, CE, ETL, cETL, CE, RoHS certifications to ensure your safety. Veg footprint is 6 x 6 ft, Flowering footprint is 5 x 5 ft. Energy efficient 2.9 umol/J. Specifications Fixture Dimensions: 47″ x 43.5″ x 2″ (inches) Weight: 39 (lb) Power: 680w Spectrum: Full Spectrum 3000K, 5000K, 660nm, 730nm Diodes: 2,680 LEDs (Sanan 302H) Driver: 680w Sosen Programmable driver (680w power draw from the wall) Efficacy: 2.9 umol/J PPE: 1980 umol/J Light distribution: 120° Dimming: 0-100% Thermal Management: Passive Lifespan: 50,000+ hours Certifications: IP65, CE, ETL, cETL, CE, RoHS Warranty: 5 Years What comes in the box: -Maxx PRO 8 LED Bar light -Driver -Heavy duty ratchet hangers (quantity: 4) -110v cord -Mounting brackets for driver (quantity: 2) -V hooks (quantity: 6) to mount light and driver -RJ14 cable to connect multiple lights -User manual