... .5*81.5*43.5mm15M-3648-1Be suitable for sensorBe suitable for 36V and 48V battery151000W1,1:1PAS2,Cruise3,Learning itself4,Speed limit ... speeds8,Waterproof0.9kg189*82*43mm18M-3648-1Be suitable for sensorBe suitable for 36V and 48V battery181000W1,1:1PAS2,Cruise3,Learning itself4,Speed limit ... ,3 speeds8,Waterproof1kg228*82*43mm 220v dc motor speed control for motorbicycle/ scooter