TheraBand® Exercise Resistance Band, Yellow, 4 Inch x 25 Yard, Light Resistance, 1 Box Protective Sleeves 5 has an advanced operating Waterproof backing prevents strikethrough 5 has an advanced operating system that ensures a complete range of therapy no matter where you use it * Two separate timers to treat two areas patients at once or one larger area * STIM indicator light for precise intensity control * Four channels of electrical stimulation output * Large easy to read graphical LCD display with exact dial performance and programmable timer * Waveforms include TENS EMS 2 Pole Interferential 4 Pole Interferential and Russian * 10 presets per waveform totaling 50 presets (plus professional mode) * Preset protocols as well as customized user defined protocols * Designed for tabletop therapy cart or mobile use * Includes eight sets of electrodes eight sets of rubber electrodes with sponges four elastic straps four sets of lead wires two connector cables power cord and user manual with preset protocol guide * Product dimensions: 10 Specially treated with mineral oil to attract dust for easy removal Yellow color distinguishes this band as the one with the second lightest resistance among other resistance bands and improve flexibility