N607/N607-1 is an EMS unit with wide range of contraction, relaxation, ramp time and pulse rate. It has 3 options of pulse duration setting: 100, 200 and 300µs. Dial switches are clear and simple to use. N607 Channel: Dual, isolated between channels Pulse Amplitude: 0-80mA peak to peak into 500 ohm load. Pulse Rate: Adjustable, 2 ~ 150 Hz Pulse Width: Selectable, 100, 200, 300 µs Contraction Time: Adjustable, 1 ~ 30 sec. Relaxation Time: Adjustable, 1 ~ 45 sec. Ramp Time: Adjustable, 1-8 sec. Wave Form: Asymmetrical Bi-Phasic Square Pulse Voltage: 0-45 V peak into 500 ohm load Size: 95(H)X 65(W) X 23.5(T) mm