Excellent unit for mixing all types of stone, investment materials, silicone compounds, and various types of impression materials. Sophisticated electronic-control system monitors vacuum buildup and can store up to 20 individual mixing programs. Other special features are the premixing function and the option of changing the mixing motors sense of rotation. Entire operator controls consist of just two pushbuttons and one multifunctional rotary switch enabling user to set and store the individual mixing time, motor speed, premixing function, pre-evacuating, and rotation changeover interval for each mixing program. Digital display. Individual setting of all operations. Multifunctional rotary knob for setting the required programs. Stand is available as an option.