Satco 7511 24V 21W BA15S base S8 shape C6 Miniature Light Bulb Miniature Bulbs are generally small in size and used for task, indicator and automotive lighting Miniature bulbs are identified by a number between 1 and 4 digits and may include letters as well We carry the highest-quality miniature bulbs; conform to ANSI standards for wattage &amp; voltage Satco light bulb, 21W, 24V S8, BA15S base, Rated Life (hours): 2000