Give your iReliev(TM) muscle stimulator of choice a jolt of energy with the OTC TENS Electrode Pads & Leads Refill Kit. Your TENS and EMS devices get a much-needed refresher with these durable snap-on pads and 48'' lead wire channels. The highly conductive pads are pre-gelled for easy use and can be reused 30 times with proper care. The healing potential is endless when you're prepped for action with the Electrode Pads & Leads Refill Kit. FEATURES: Muscle stimulator refill set High-conductivity, reusable snap-on pads are pre-gelled for ease of use Premium grade electrodes may last up to 30 times each with proper care 48'' lead wire channels pulse output for greater consistency with potential muscle therapy Compatible with iReliev(TM) Transcutaneous Electrical Nerve Stimulation and Electrical Muscle Stimulator units Includes: leads (one set of 2), 2'' x 2'' electrodes (four sets of of 4) Manufacturer's 1-year warranty Model: CM-5050-4 iReliev