Tens Major 4 Channel, Digital Timer, Patient Safety Circuit

Tens major four channel with digital timer and patient safety circuit(manual) tens specification:- a. frequency:2 hz to 250 mhz b. pulse width: 400 micro sec c. therapy mode: all channels continuous all channels burst 2 channels continuous 2 channels burst output: 4 channel a. parameter selection: manual b. intensity: 0-160 v linear adjustment c. patient safety: output is 100% isolation d. power supply: 200-230ac/50hz e. weight-2kgs f. 27x21x9