The jc452w has 400 watts of power and a 2 speed control knob it has power interlock so the system does not turn on unless the unit is assembled and locked correctly. It features a wide feeder and a 350 ml. Capacity graduated jar. Features juice fruits, veggies, leafy greens and more completely separates pulp extra wide feeder for whole fruits & veggies 2 speed control knob includes 15oz graduated jar with lid and foam seperator dishwasher safe removable parts