6-Mode Strength-Duration SD 2-Channel TENS Unit
- 6 Modes: Burst, Constant, Modulation: [Strength-Duration (SD), Modulated Width (MW), Modulated Rate (MR), Combination Modulation (CM)
- Variable pulse rate and width
- Ramp time:1,3 or 5 seconds
- Wave: Asymmetrical Bi-Phasic Square Pulse
- 9 volt battery