BTQ 185 4.3 KW 24V 85Kgf Duo thruster Hydrodynamic bronze base with twin propellers (Duo).24V.4.3 KW power.85Kgf thrust.4-blade composite propeller: corrosion resistance and minimum current absorption.Composite relay protection box.Elastic coupling.Aluminium motor support.Microprocessor to prevent overheating.Reversible torque with timer.Timed automatic stop.