The device is like new, used for a limited time, and comes with 3 sets of pads that I haven't used. A replacement device for physiotherapy centers, for use at home, for the elderly and patients. MI Technology: Personalized stimulation... suitable for all body parts. Equipped with the unique MI (muscle intelligence) technology, Compex stimulators adapt to each of your muscles to provide the strongest possible muscle stimulation, while offering greater comfort and better performance. MI-SCAN: Scans the muscle and automatically adjusts the device parameters according to your body's physiology. Categories and Programs 1. Fitness: Tighten your arms, tone your thighs, get toned abs, build chest muscles, tighten your stomach, shape your buttocks, build muscle, improve blood circulation, lymphatic drainage. 2. Recovery / Massage: Relaxing massage and invigorating massage. 3. Pain Management: Pain management using TENS technology, reduce muscle tension, muscle pain, neck pain, back pain, tendonitis, leg heaviness, cramp prevention. 4. Rehabilitation: Muscle atrophy. Technical Specifications: Technology: Wired Muscle Intelligence: MI-action Internet Connection: No Download: No Medical Record Download: No Program Categories: Fitness, Pain Management, Recovery / Massage, Rehabilitation Number of Programs: 20 Number of Channels: 4 Screen: Color Power: 120 mA, 400 µs, 150 Hz Energy: Rechargeable battery in less than 4 hours and 30 minutes. Included / Essential Accessories: Stimulator 4 monopolar lead wires Muscle intelligence sensor wire (MI-sensor) Charger 8 Snap electrodes (5 * 5) cm, single clip 4 Snap electrodes (5 * 10) cm, single clip Hard carrying case Instruction manual