3w fixed led spot light/led recessed downlight Stable performance. life long: >30,000hrs Energy-saving 3w fixed led spot light/led recessed downlight Detail Specification ... with consumers.5.No hazard of mercury or lead.6.Instant start,no flicking, no humming.7.Replacement of ... offices5.exhibits,such as galleries, museum, display cases.6.comercial: shopping mall, stores, retails, super markets.