Relaxi TNS - CES + TENS Stimulation Technical Specifications No. of Channels: 3 (2 Channel TENS, 1 Channel CES) Waveform: Symmetrical & Asymmetrical Bi-Phasic Square Wave Selection Frequency: TENS: 1-150Hz, CES: 100Hz (Fixed) Pulse Width: TENS: 100-250?S, CES: 500?s (Fixed) Timer: 0-60 min and Continuous Power Source: 220V AC / 50 Hz Benefits CES for the treatment of insomnia, depression, stress management or anxiety. TENS for symptomatic relief and management of chronic intractable pain and/or as an adjunctive treatment in the management of post- traumatic and post-surgical acute pain problems.