... 20 ~ +45°CLED Qty.:18*1WLight Source:Bridgelux chip from USALife span:≥50,000HrsCutting hole size:140mmDimension:φ160* ... lighting, office work station 3) Back lighting, step lighting, light boxes 4) Furniture, lighting, commercial lighting, museums stands, ... and panels 5) Corridor lights, architectural point of light, windows Gallery lighting6) Lighting projects, banks, hotels, schools, ...