The Comfy TENS® featured 5 stimulation modes and adjustable pulse width, pulse rate and treatment timer. Its large liquid display showing the mode name and all settings is ideal for users to check the setting in any time Pulse Amplitude: Adjustable, 0-100 mA peak into 500 ohm load Wave Form: Asymmetrical Bi-Phasic Square Pulse Size: 10.1cm(L) x 6.1cm(W) x 2.45cm(H) Weight: 150 grams with battery. Pulse Rate: Adjustable, from 2 to 150 Hz, 1Hz/Step Pulse Width: Adjustable, from 50 to 300 microseconds, 10µs/step Modes: B(Burst), N(Normal), M(Modulation), SD1(Strength Duration), SD2 Timer: Adjustable, from 5 to 60 minutes or Continuous.
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