Specification:
Material: ABS
Display: LCD
Power: DC 4.5V
Power supply: 3 x AAA batteries (not included)
Output voltage: 0-40 (VPP)
Intensity level: 0-40 levels
Output power: 1-120HZ
Output pulse width: 100-250uS
Package Content: 1 x main device 4 x electrode pads 2 x electrode cables