DESC: Lightweight Ergonomically Designed Transducer Transducer Protection Switch 0-20 Watt Output Variable Interrupt Output Mode Dual Channel Output 4 Pad Capability Bi-Polar Application (no dispersive pad) Adjustable Frequency Range and Pulse Width Reciprocal and Ramped Surge Mode Patient Interrupt Switch Adjustable ON and OFF Surge Duration Intensity Reset Circuit 0-30 Minute Timer 2-year Parts and Labor Warranty 1-year Warranty on Transducer Optional QuickConnect Transducer Cable Includes: Ultrasound transducer AC power cord Conductance & coupling gel Flextrode conductive spray (2) Patient lead - black (2) Patient lead - white (4) 4" Flextrode pad (20) 4" Flextrode cover (2) 20" Velfoam strap (2) 42" Velfoam strap 3" x 7" sponge pad Patient treatment stop switch ** This item can be only ordered by a licensed healthcare practitioner.