Snap-in series round indicator light. Rugged and offer excellent long life. With plated steel bezel. White housing. Standard red lens. 0.187 x 0.2 inch brass male tabs termination. The lights usually outlasts the product that they are being used on. Compact and very economical. They take up little space on the panel or behind it and deliver good light at a modest cost. Can be easily snap fit into a 0.5 to 0.505 inch hole diameter in panels 0.03 to 0.093 inch thick. Housing is made of flame retardant ABS. Lenses are made of polycarbonate.