... : Model No.Sensor OptionVoltageMosfetspowerFunctionsWeightDimemsion6M-2400-1Be suitable for sensor and sensorless motor24V6250W1,1:1PAS2,Cruise3,Learning itself4,Speed limit/unlimited5 ... ,Waterproof0.5kg118*67*38mm9M-2400-1Be suitable for sensor and sensorless motor24V9350W1,1:1PAS2,Cruise3,Learning itself4,Speed limit/ ... ,Waterproof1kg228*82*43mm Sensor lithium battery charge dc motor controller 48v