LF1D Series retains 70% of its initial luminance at 50,000 hrs. Light strips are Cool White (Temp: 5700K) and offered in slim (10 x 1 LED array) or wide type (7 x 2 LED array) with 24Vdc. Manufactured with sturdy die-cast aluminum housing and stainless steel front cover, they are also RoHS compliant, mercury-free. Reinforced glass models bring to the table an impressive IP67f degree of protection against water, dust and oil making them perfect for machine tools or outdoor equipment.