PolyMem® Pink White Adhesive Strip, 1 x 3 Inch, 1 Case of 100 Gauze Dressings 4 Channel Electrotherapy * Easy to add modularity Furnishing Accessories 4 Channel Electrotherapy * Easy to add modularity allows the addition of two additional channels of electrotherapy light therapy or a battery module * High contrast 5 (13 cm) FSTN LCD monochromatic user interface * Two independent electrotherapy channels expandable to four independent channels * Multiple waveform electrotherapy six clinical waveforms: Interferential Premodulated High Volt Russian Symmetrical Biphasic and Microcurrent * Documentation of treatment data with Patient Data Cards * User defined protocols for your specific needs * Dual frequency ultrasound at 1 or 3 Helps protect against ordinary wear Pad is 1 x 1 inch Constructed with PVC free durable polyethylene and perforated for breathability