... 3.LifeSpan: 50,000 Hours 4.Certificates:CE&RoHs 2012 HV 1W LED1. Size: 3mm, 5mm, 10mm led2. Shapes: round, ... 18000-20000MCD13. Life Span: 50,000hrs Application of led lamp1. Recessed lighting, shelf lighting, ceiling/wall coves2. Cabinet and under counter ... lighting, office work station 3. Back lighting, step lighting, light boxes 4. Merchandising, exhibition stands, and panels5.All led lighting ...