Packing list: Quantum Board Led Grow Light Bar 1 x energy transport 1 x power line1 x sling1 x wrench Fixig screw----------------------------------------------Dear Friend, If you've got issues of your purchase, Please contact us in time! Happy browsing !6Bar 640W Product parameters:wattage: 6Bar 640W Size: 110*106cmEfficacy: 2 µmol/JInput voltage: AC110-277VWorking frequency: 50 ~ 60HzLight Color : Full Spectrum+Red Light 660nm+430nm UV+730nm IRControl: Knob Dimming Brand chip: Samsung LM301B International certification: FCC, CE, ROHS, ETLDriver: UL listed, fantastic energy driverWarranty: 3 yr 8Bar 800W Product parameters:wattage: 8Bar 800W Size: 110*106cmInput voltage: AC110-277VWorking frequency: 50 ~ 60HzLight Color : Full Spectrum+Red Light 660nm+430nm UV+730nm IRControl: Knob DimmingBrand chip: Samsung LM301B International certification: FCC, CE, ROHS, ETLDriver: UL listed, advantageous energy driverWarranty: three 12 months 10Bar 1000W Product parameters:wattage: 10Bar 1000W Size: 110*106cmInput voltage: AC110-277VWorking frequency: 50 ~ 60HzLight Color : Full Spectrum+Red Light 660nm+430nm UV+730nm IRControl: Knob DimmingBrand chip: Samsung LM301B International certification: FCC, CE, ROHS, ETLDriver: UL listed, high quality calories driverWarranty: 3 year12Bar 1200W Product parameters:wattage: 12Bar 1200W Size: 110*106cmInput voltage: AC110-277VWorking frequency: 50 ~ 60HzLight Color : Full Spectrum+Red Light 660nm+430nm UV+730nm IRControl: Knob DimmingBrand chip: Samsung LM301B International certification: FCC, CE, ROHS, ETLDriver: UL listed, effective energy driverWarranty: three year Why Add UV IR Light? UV can promote the synthesis of plant chlorophyll, broaden the intense focus of flowers, and develop plant yield. How to use UV IR Light ?The UV spectrum is controlled by a separate switch, that might intermittently compensate the ultraviolet mild for plants, develop the content material of antioxidants in vegetables, grow the accumulation of secondary metabolites in medicinal products, and speed up the synthesis and accumulation of colour components in flower leaves and petals. Dimming control:The grower can prefer whether or not or to not examine the group Box dimmer in step with the planting environment. Multifunction Group Box Dimming: A group box dimmer can management several lamps. The group discipline dimmer can set the light change in keeping with the temperature sensor.