CareTec IV 4-in-1 Combo with TENS, EMS, Interferential, & Russian Stim + Free A/C Adapter Included

SKU: DT4444
Each package includes everything needed to begin therapy right away!
CareTec IV 4-in-1 Combo with TENS, EMS, Interferential, & Russian Stim + Free A/C Adapter Included
CareTec IV 4-in-1 Combo with TENS, EMS, Interferential, & Russian Stim + Free A/C Adapter Included
CareTec IV 4-in-1 Combo with TENS, EMS, Interferential, & Russian Stim + Free A/C Adapter Included

CareTec IV 4-in-1 Combo with TENS, EMS, Interferential, & Russian Stim + Free A/C Adapter Included

SKU: DT4444
Regular price $149.95 Sale price $114.95 Save 23%
Shipping calculated at checkout.
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  • 30-Day Return Policy
  • FDA Approved
  • Secure Payments
  • In stock
  • Inventory on the way
The CareTec IV Electrical Stimulator is a portable electrotherapy device featuring FOUR therapeutic modes: Transcutaneous Electrical Nerve Stimulation (TENS), Electrical Muscle Stimulation (EMS), Interferential (IF), and Russian Stim, which are used for pain relief and muscle stimulation. The stimulator sends a gentle electrical current to underlying nerves or muscles via electrodes applied to the skin. The parameters of the device are controlled by the channel buttons, with the intensity levels easily adjustable according to a user's specific needs.

Relieve your pain with TENS.

TENS stands for Transcutaneous Electrical Nerve Stimulation and is a non-invasive, drug-free method of controlling pain through small electrical impulses. These impulses mask the pain in the treated area and help you carry out daily activities pain free.

Therapy stimulation for your muscles in the EMS program
EMS, or NMES, is Electrical Muscle Stimulation designed to help treat muscle injuries. This program’s function is to cause muscle contractions in efforts of helping rehab the muscle tissues, along with directly working on muscle motor neurons. This therapy is popular for all muscle-related injuries, muscle re-education, and improving blood flow to the muscle groups.

Reduce Chronic Pain & Inflammation with the IF program
Interferential Stimulation or better known for short as (IF) is a chronic pain therapy & anti-inflammatory-based treatment modality. Interferential stimulation provides powerful and deep stimulation by using two alternating-currents of different frequencies that work together to produce an interferential current. This current has been proven to stimulate sensory, motor, and pain fibers offering chronic pain relief where TENS may not be strong enough.

Strengthen your muscles and alleviate spasms using the Russian Stim program.
Russian stimulation is commonly used to assist a muscle in strengthening more quickly following injury or surgery. It uses medium frequencies to provide electrical stimulation to muscle groups and can also be used to reduce muscle spasms, as well as for muscle strengthening. Russian Stimulation is an integral part of rehabilitation and healing for many patients.

Product Features:

  • Dual channel device, allowing the use of four electrodes
  • Simple to operate, portable device for pain management with easy-to-read digital display
  • Four Waveforms: TENS, EMS, IF, and Russian Stim
  • Timer: 1-60 seconds with automatic shut-off, or Continuous
  • Power Source: 1x standard 9 volt battery or AC adapter
  • Dimensions: 4.5" x 2.55" x 0.9"
  • Weight: 0.28 lbs with battery
  • 1 Year Manufacturer Warranty
  • Package includes everything needed to start treatment right away
    • 1x CareTec IV Stimulator
    • 45" Lead Wires
    • 1x 9V Battery
    • 1x AC Adapter
    • 1x Pack of Four Self-Adhesive reusable electrodes
    • Hard Plastic Carrying Case
    • Instruction Manual

Electrotherapy Program Specs:
  • TENS
    • Wave Form: Monophasic Square
    • Pulse Amplitude: Adjustable, 0-100mA peak at 1000 ohm Load each channel, 1mA/Step.
    • Pulse Width: Adjustable, from 50-300µs microseconds, 10µS/step
    • Pulse Rate: Adjustable, from 1-150 Hz, 1 Hz/step
    • User Defined Modes: 4
      • Burst (P1), Normal (P2), Pulse Width Modulation (P3), Pulse Rate Modulation (P4)
  • EMS
    • Wave Form: Monophasic Square
    • Pulse Amplitude: Adjustable, 0-100mA peak at 1000 ohm Load each channel, 1mA/Step
    • Pulse Width: Adjustable, from 50-300µS microseconds, 10µSec/Step.
    • Pulse Rate: Adjustable, from 1-150 Hz, 1 Hz/Step
    • Contraction Time: Adjustable, 1-30 seconds, 1 Sec/Step
    • Relaxation (OFF) Time: Adjustable, 0-60 seconds, 1 Sec/Step
    • Ramp time: Adjustable, 1-6 seconds, 1 Sec/Step
    • User Defined Modes: 3
      • Synchronous (P1), Alternate (P2), Delay (P3)
  • Interferential
    • Wave Form: Biphasic Square
    • Pulse Amplitude: Adjustable, 0-70mA peak to peak at 1000 ohm Load each channel, 1mA/Step.
    • Pulse Rate:
      • Channel 1 – Fundamental frequency: 4000 Hz fixed
      • Channel 2 – Selectable frequency: 4001 to 4150 Hz
      • Interference Frequency: 1 to 150 Hz.
    • Phase Width: 125µS
    • User Defined Modes: 4
  • Russian Stim
    • Wave Form: Biphasic Square
    • Pulse Amplitude: Adjustable, 0-60mA peak at 1000 ohm Load each channel, 1.0mA/step
    • Frequency:
      • Carrier Frequency (Fixed): 2500Hz
      • Burst Frequency: Adjustable, from 20-80Hz, 1.0Hz/step
    • Amplitude / Intensity Adjustment: 1 - 8
    • Pulse Width: 150µS, adjustable
    • Ramp Time: 2 seconds
    • Contraction & Relaxation Time: Continuous or Adjustable (10 to 45 Seconds)
    • Duty Cycle: 50% for P1; 10%-50% for P2
    • User Defined Modes: 3
      • Constant (P1), Modulation (P2), Modulation (P3)

Thank you for reaching out to LSI International! We're here to assist you with any questions, concerns, or feedback you may have. You can contact us directly using the information provided below, or simply fill out our contact form for a prompt response.

Direct Contact Information:

  • Phone: 800-832-0053
  • Email:
  • Address: LSI International, 1131 N Warson Rd Bldg D St. Louis, MO 63132, United States

Your feedback and inquiries are important to us. We strive to respond to all messages as swiftly as possible. Thank you for choosing LSI International, and we look forward to assisting you!

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Your satisfaction with LSI International, and the products you purchase, is of the highest importance to us. We will gladly accept the return, or exchange, of most products up to 30 days from the date of purchase. The return of any allowed products that have been opened, used, or have broken seals are subject to a 20% restocking fee. Original shipping and handling charges incurred are always non-refundable and will be deducted from any refund for the cost of returned items, including in the event of a Free Shipping promotional incentive being applied to an order. Once a return is made, this promotional incentive is negated and the cost incurred must be accounted for. The restocking fee will only be waived in the case of all returned items being unopened, unused, and in their original packaging. Missing Instruction Manuals, Quick Reference Guides, and any other original literature from a returned product will result in an automatic $5.00 fee deducted from any refunds issued for the costs of those items. If you are unsatisfied with a product, or find any defects due to manufacturing and/or workmanship, please contact us. Fulfillment mistakes that we make, resulting in the shipment of incorrect products to you, will also be accepted for return up to 30 days from the date of purchase. To make a return, or exchange, please contact Customer Service to get a Return Authorization number. We will be happy to provide the number and explain the procedure to you. Our process is simple - Clearly write the return authorization number on the outside of the product packaging so we can easily identify the order, ship to our warehouse, and we will credit the account used to make the purchase within 7 business days from the date we receive the returned items, or contact you to complete an exchange. Returns or exchanges cannot be accepted without a return authorization number. If your item was damaged during shipment, please contact us for assistance. Our customer service line is available M-F from 9am-5pm CST at (800)-832-0053, or feel free to If you experience any issues, or technical difficulties, with a product you ordered, please contact Customer Service. This would be tied to a manufacturer warranty process and we will be more than happy to set up a technical support call for you. Ultrasound Returns: Portable Ultrasound may only be returned if the product has NOT been used. Used Ultrasound devices may not be returned due to sanitary health reasons set by the FDA. If you are attempting to return the device due to defect or malfunction with performance, this would go through the warranty and we ask you to please contact us for a warranty claim. Pillows and Cushions: Any pillows or cushions may only be returned if they are unused and in the same condition customer received the item with original packaging. We only sell our pillows and cushions brand new for sanitary reasons. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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