The E-Stim II is the most economical and easy-to-use portable electro-therapy unit. New dual channel, portable, continuous frequency unit features Milli-amp (normal current) and Micro-amp (micro current) settings. Each channel also includes its own green LED light which displays power-on and frequency. Accessories include 2 sets of alligator clip wires, 9 volt battery, and instructions.
Item uses a 3.5mm jack.
Specifications 500 ohm test load
Output Channels: 2 independent intensity channels
Frequency: 1 to 100 Hz, flashing LED
Volts and current: Microcurrent:0 to 1 volts, 0 to 2,000 µA (2mA)
TENS: 0 to 20 volts, 0 to 40 mA
Pulse width: 280 microseconds (µS)
Pulse shape: asymmetric biphasic square wave
Pulse modes: continuous
Power indication: flashing LED, each channel
Power source: 9 volt battery
Low power indication: yellow LED light
Size, weight, color: 5" x 3.4" x 1", 110 gm, Gray
1 milli-amp (mA) = 1,000 microamp (µA)= 0.001 amp