What's the difference between this machine and the one that sells for over $200 in Amazon?

I have the 7000 unit and have worked with this one. Both are great. A good unit should not cost at max more than $60 if it has a few extra accessories.

What size are the lead wire connectors, the pieces that connect the 2 sets of wires together? Its usually in mm?

I searched the pamphlet that came with the TENS unit, but I could not find the measurement. I am a nurse and see that the wire end is 1 mm and the electrode lead receiver is 4mm.

How much Amperage power does it have?

Pulse Amplitude: Adjustable, 0-100 mA peak into 500 ohm load •Wave Form: Asymmetrical Bi-Phasic Square Pulse •Size: 10.1cm(L) x 6.1cm(W) x 2.45cm(H) •Weight: 150 grams with battery. •Pulse Rate: Adjustable, from 2 to 150 Hz, 1Hz/Step •Pulse Width: Adjustable, from 50 to 300 microseconds, 10μs/step •Modes: B(Burst), N(Normal), M(Modulation), SD1(Strength Duration), SD2, P(P1-12) •Timer: Adjustable, from 5 to 60 minutes or Continuous.

I have to wear the tens unit in the gym. Is this tens unit smaller enough to put in your pocket or a bag around your waist?

Hello, thank you for your questions and the device dim. 2.4x4x1 it should be fit your pocket or bag. I hope you enjoy this device in the gym:)

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Tens Unit Stimulator Machine - EV820 with 8 Electrodes Japanese Gel for Pain Management, Back Pain and Rehabilitation

Product ID: 46613339

⚡2-channel digital TENS stimulator

🔋9V battery-powered portability

🩹8 premium Japanese SEKISUI gel electrodes

$77.73

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Description

⚡ Power Your Pain Relief Like a Pro — Anytime, Anywhere!

5 MODES 12 PRESET PROGRAMS - Versatile therapy options tailored for chronic and acute pain management.
CLINICALLY APPROVED DRUG FREE - 510K certified, safe, natural pain relief without prescriptions or side effects.
FSA HSA ELIGIBLE READY TO USE - Use your health savings for instant relief—complete kit with battery and guides included.
PREMIUM JAPANESE GEL ELECTRODES - Experience superior conductivity and skin comfort with biocompatible SEKISUI gel.
DUAL CHANNEL PRECISION PAIN RELIEF - Target multiple pain zones simultaneously with customizable intensity.

The iStim EV-820 is a compact, 2-channel digital TENS unit featuring 5 modes and 12 preset programs designed for effective pain management and muscle rehabilitation. Equipped with 8 high-grade Japanese SEKISUI gel electrodes, it ensures optimal conductivity and comfort. Clinically approved and drug-free, this portable device is battery-powered and FSA/HSA eligible, making it a trusted choice for professional-grade, non-invasive pain relief.

Specifications

ASIN	B0725CL4R9
Batteries	1 9V batteries required.
Best Sellers Rank	#96,171 in Health & Household ( See Top 100 in Health & Household ) #206 in Muscle Stimulators & Accessories
Customer Reviews	4.5 4.5 out of 5 stars (1,526)
Date First Available	May 4, 2017
Is Discontinued By Manufacturer	No
Item model number	YYOJ043
Manufacturer	Everyway4all
Product Dimensions	3.98 x 2.4 x 0.96 inches; 1.01 Pounds

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Good experience, but the tracking updates could be better.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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