U.S. federal law restricts this device for sale by or on the order of a physician or licensed practitioner. Order must be accompanied by a prescription. New and Improved Bio Med 2000XL Tens Unit has dual channel, analog TENS devise provides nerve stimulation to treat pain. 3 modes of operation: continuous, width modulation (50% decrease / increase of set width over 5 seconds) and burst (8 pulses per burst, 2 burst per second.) The pulse rate adjusts from 2-150 Hz and the pulse width adjusts from 50-250 up. Output intnesity adjustable from 0-80mA. Kit includes four pigtail electrodes, two pairs of leadwires, one 9V battery, carrying case and instructions. 3.9"L x 2.75"W x 1"H. 4.6 oz . limitted 5 year warrenty
