N604 is a SD TENS unit that incorporates a wide variety of output combinations. It has five modes available: B(Burst), N(Normal), M(Pulse Rate Modulation), SD1(Pulse Duration Modulation) and SD2(Pulse Rate Modulation). Pulse rate, pulse duration and intensity are adjustable. Wide range of modulation modes ensures more effective treatment. A timer of 15, 30, 60 minutes(or 15, 30, Continue) is available.

Channel: Dual, isolated between channels
Pulse Amplitude: 0-80mA peak to peak into 500 ohm load.
Pulse Rate: Adjustable, from 2Hz ~ 150 Hz
Pulse Width: Adjustable, from 30 µs ~ 260 µs
Mode: B, N, M, SD1, SD2
TIMER: Selectable, 15, 30, 60 Minutes
Wave Form: Asymmetrical Bi-Phasic Square Pulse
Voltage: 0-40 V peak into 500 ohm load
Size: 95(H)X 65(W) X 23.5(T) mm