1. 125.5*81.5*43.5mm 2. Sensor or sensorless 3. Standard functions available 4. ... *81.5*43.5mm15M-3648-1Be suitable for sensorBe suitable for 36V and 48V battery151000W1,1:1PAS2,Cruise3, ... ,Waterproof0.9kg189*82*43mm18M-3648-1Be suitable for sensorBe suitable for 36V and 48V battery181000W1,1:1PAS2,Cruise3, ... braking7,3 speeds8,Waterproof1kg228*82*43mm brushless motor controller for motorbicycle/ scooter