ProForm Activator V7 Vibration Training Machine Activator V7 is designed to provide ability to maximize your workout, so you burn fat and build muscle mass quicker With ability to contract muscles up to 45 times per second, whole body vibration helps build muscle, improve performance, and increase bone density Easy-to-use foot controls, slip-resistant platform surface, and stabilizing Uni-grip Handle Digital console with 30-, 45-, and 60-second timer; selectable vibration intensity of 25-, 30-, and 35-hertz Workout DVD and pair of 30-pound, adjustable dumbbells included