2 channels of independent stimulation output 6 body-part specific settings (neck, shoulder, hand, lower back, knee, foot) each equipped with two (2) pre-set programs and one (1) manual customize setting - 18 program settings total Rechargeable lithium ion battery with USB/wall charger and LED charging indicator light Low battery indicator Electrode load indicator 4 stimulation modes: –Continuous –Pulse Width Modulation –Pulse Rate Modulation –Combo Modulation (pulse rate and width modulation) Preset and adjustable treatment time Compliance meter - store up to 90 sets of treatment records and total treatment time of 100 hours User-friendly, sleek design Easy-to-read large LCD display and convenient easy-to-use controls Full kit includes device, 4 pack of InTENSity™ electrodes, pair of lead wires, lithium ion battery, wall/USB charger, belt clip, instruction manual, quick start guide and carrying case 1 year warranty HCPCS* Code: E0730 for TENS unit A4595 for supplies