Speed 6000 rpm Premium Model: Fitted with maintenance free BLDC motor (without carbons) Square M S body duly powder coated. Hydrolic lid. Microprocessor based 4 lines 16 characters LCD display with 0-99 minutes countdown timer, digital rpm meter and preset programmable speed regulator. Also featured with dynamic brake, Electronic lid lock imbalance detector 10 programme memory. 3 accelerations and 3 decelerations