1/2 Hp ECM Module, Volts: 120/240, Unprogrammed, Dimensions: H-3" W-53/4" L-53/4", Weight: 3 Lbs, Boxed, Origin Unknown This Modeule Is Unprogrammed, You Will Need To Have It Programmed, Module Must Be Programmed Prior To Use "They Are Stored As Bulk And May Be Dusty"