Elec Nerve Stmltr Dlx w/ Timer

System includes device, lead wires, four self-adhesive reusable electrodes, 9V battery, hard plastic carrying case and instruction manual Power Source: 9-volt battery Modes: Standard, Modulate and Burst Channels: Dual Timer: 30 and 60 minutes or continuous Pulse Width: 50-250 Microseconds, Adjustable Pulse Rate: 2-150 Hz Pulse Amplitude: 0-80 mA each channel Waveform: Asymmetrical biphasic square pulse