Size: D4.3\"x 2.3\"(D11cmx5.8cm ) .G53 15w Ar111 spot lights, DC12V Work voltage,warm Light 3000k, LED replacement for traditional G53 narrow angle spot light bulb Replaces 120W incandescent, while only consuming 15W of power Super bright, energy efficient, long lasting, and saves money ,Long life of 50,000 hrs No UV, IR or other deleterious radiation, no deleterious material