Material Plastic Brand Name OEM Place of Origin Sichuan, China Product Name Shadowless Operating Lamp Ceiling LED Operating Lamp General Use Hospital Patient Furniture Material Metal, Plastic, Steel Safety standard GB/T28001-2011 Nubmber Of Bulbs 80pcs/48pcs Led Bulbs Certificate CE ISO Spot Diameter 150 to 350mm Illumination 60000 - 160000/60000 - 160000 Color Temperature Adjustable 3500k to 5000k Shelf Life 1years