| Dual Channel TENS Unit Dual channel, fully adjustable TENS unit. Three treatment modes (constant, burst, & modulation). Pulse Amplitude 0-80MA, adjustable. Pulse Frequency: 2-150Hz, adjustable. Pulse Width: 50-250 microseconds, adjustable. Wave Form: Asymetrical, bi-phasis square pulse. Includes 43" lead wires, pre-gelled electrodes, 9 volt battery and hard carry case |