IF Combo II Portable TENS Device Handheld TENS Machine with 2 Waveforms Includes: Carrying Case Lead Wires, 45", 2/pk Lithium Ion Battery InTENSity Electrodes, 2" x 2", Mini 4/pk AC Charger The InTENSity IF Combo II combines TENS and Interferential waveforms in one portable tens unit. Equipped with preset body-part-specific settings, the InTENSity IF Combo II intuitively guides the patient step-by-step to ensure the ideal therapeutic treatment throughout the healing cycle. Simply choose a preset program by body part or customize a program to meet your specific therapy needs. This TENS machine has a powerful rechargeable lithium ion battery so that it can be used at home, at work, or on-the-go. 2 channels of independent stimulation output Easy-to-read large LCD display and convenient easy-to-use controls Extensive range of programs with manual customize settings and body-part specific settings — 18 TENS and 18 IFC (total of 36 programs) Electrode load indicator Up to 10,000 Hz of IFC therapy with sweep frequency to prevent accommodation of nerves and provide maximum treatment benefits Preset and adjustable treatment time Compliance meter - store up to 90 sets of treatment records and total treatment time of 100 hours Low battery indicator Rechargeable lithium ion battery with USB/wall charger and LED charging indicator light One-year warranty Rx only TECHNICAL SPECIFICATIONS Power 3.7 V LithiumRechargeable Battery Pack Waveforms TENS, IFC REF: DI2738 Brochure IF Combo II Portable TENS Device Brochure