This unobtrusive emergency downlight from Eterna uses LiFePO4 Lithium battery technology which reduces energy consumption and enhances the charging cycle capacity. This product has an improved operational life in comparison to NiCad products and has built-in battery overcharge protection. Additionally this product has an integrated charging indicator LED that glows green. Eterna offers a 5 year warranty on this downlight (battery excluded). White matt silver and black bezels are included.