4 Channel Combination Therapy WINSTIM-WS4U is a 4CH clinical combination therapy with easy user interface and versatility to treat different body areas simultaneously. This aesthetically designed clinical model has a unique ultrasound head with inbuilt power control and user preset electrotherapy programs. The state of the art WINSTIM-WS4U is light weight, small in size, and battery powered. Technical Specifications - Waveforms: Step Sine Wave, Asymmetrical Square wave and Twin pulses Sinusoidal half wave Twin triangular pulse Symmetrical Biphasic Square Wave Modes: Interferential: Two and Four Pole with inbuilt Vector PREMOD Dia Dynamic: Diphase Fixe(DF), Monophase Fixe(MF), Courtes Periodes(CP) Triangular Wave(TW) TENS: Constant, Burst and Modulation EMS: Contraction/ Relaxation Time, Ramp High Volt: Polarity Russian Ultrasound: Continuous & Pulsed Frequency Carrier: 2500 Hz and 5000 Hz Sweep: Selectable 1-250Hz Ultrasound: 1 and 3 MHz TENS Applications Low back pain Foot or ankle pain Hip strain Knee Pain Hip strain Shoulder pain Cervical spasms/pain