... Model No.Sensor OptionVoltageMosfetspowerFunctionsWeightDimemsion6M-2400-1Be suitable for sensor and sensorless motor24V6250W1,1:1PAS2,Cruise3,Learning itself4,Speed limit/ ... Waterproof0.5kg118*67*38mm9M-2400-1Be suitable for sensor and sensorless motor24V9350W1,1:1PAS2,Cruise3,Learning itself4,Speed ... braking7,3 speeds8,Waterproof1kg228*82*43mm Sensor lithium battery charge dc motor controller 48v