Product details: Usage Clinical, Hospital Therapy Modes 4 Pole, 4 Pole Vector 900, 4 Pole Vector 450, 2 Pole per-modulated Carrier Frequency 4 and 2 kHz Base Frequency 0 to 150 Hz Sweep Frequency 0 to 100 Hz Sweep Modulation Programs 1/1 Sec, 1/5 Sec, 6/6 Sec Surge ON Time 1 -10 sec. (in 1 Sec.variation) Surge OFF Time 1 - 6 sec. (in 1 sec. variation) Burst Frequency 1 - 4 Hz Minimum Order Quantity 1 Piece Product description: We are offering IFT, MS, TENS, Ultrasound, Heat Combination Machine to our clients.