Memory Module w/No Programming, Dims:1/4"H X 1"W X 1"D, Weight:0.1 Ounces, In Mfg Bulk Packaging, Made In Mexico.(Alt Climate Master 17B0039N03, Alt White Rogers F59-478100,F59-478100B1) This Module is Not Programmed, (You will need to have it Programmed Before Use.)