Intensity control is adjustable from 0-80 mA 500 ohm load * Pulse rate is adjustable from 2-150 Hz * Dual isolated channels * Pulse width is selectable: 100 200 or 300 micro-seconds * Contraction time is adjustable from 2-30 seconds * Relaxation time is adjustable from 1-30 seconds * Ramp time is adjustable from 1-6 seconds * Metal belt clip * Comes complete with carrying case 2 lead wires 9-volt battery 1 package of 4 pre-gelled electrodes and operating manual * 3 Year Limited Warranty *