The commercial series features a steel battery unit designed toprovide efficient and reliable emergency lighting. Utilizing a sturdy all steel housing, our series presents a modern and unobtrusive design containing two PAR18 small style heads with 2.5W crisp white LED and over 8 hours duration as a standalone unit and the LED lamps have a limited lifetime warranty The commercial series features a steel battery unit designed toprovide efficient and reliable emergency lighting. Utilizing a sturdy all steel housing, our series presents a modern and unobtrusive design containing two PAR18 small style heads with 2.5W crisp white LED and over 8 hours duration as a standalone unit and the LED lamps have a limited lifetime warranty