Three Stimulation Modes: Constant Synchronous and Alternate * Timer: Adjustable 15 30 45 60 minutes or continuous * Digital wave technology provides a highly efficient delivery of the wave signal * Wave Form: Asymmetrical rectangular biphasic pulse * Pulse frequency adjustable from 2-150 Hz * Pulse Amplitude: Adjustable 0-100 mA into 500 ohm load each channel * Pulse width is adjustable from 50 uS ~ 300 uS 10 uS/step * 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 Learn