:DeltaMotor Diameter : 40 mm * 40 mm*56mmMotor Length : 56 mm ( two-motor )Motor operating voltage : 10.8-13VMotor nominal current : 2.8A ( dual motor )Motor power : 33W ( dual motor )Motor Bearings : 4 high-precision ball bearingsMotor outlet : red orange line + very dark gray line - poleThe turbocharger is a combination of two independent motors made by each motor is equipped with two high- quality ball bearings. ( Definitely not made of ordinary carbon shabu motor ) of the Motor rinse pure copper windings daily without any maintenance, relatively small volume , easy modification, and a large amount of wind in particular hurricane is a rare turbocharger