BTQ 300 12 KW 24V 270Kgf Duo thruster Hydrodynamic bronze base with twin propellers (Duo).4-blade composite propeller: corrosion resistance and minimum current absorption.Composite relay protection box.24V.12 KW power.270Kgf thrust.Elastic coupling.Aluminium motor support.Microprocessor to prevent overheating.Reversible torque with timer.Timed automatic stop.