12v IR/EF (Negative) - 15ACR,16ACR,17ACR,18ACR,20ACR,23ACR & 25ACR; 4.5mm Thick x 4.5mm Wide x 12.5mm Long; 20mm Long Lead (FA-49; 13146, 13163, 13164, 14014, 14022, 14023, 14024, 14029, 14030, 14031, 14037, 14050, 14054, 14055, 14056, 14085, 14087, 14088)