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. BioStim LX Digital TENS - Dual channel digital TENS devise allows precision in stimulating nerves to treat pain. Compact design has flip-top LED display screen that is easy to read. Push button controls and simple instructions guide the user pre-programmed or programmable functions. 4 modes of operation: continuous, width modulation (59%increase / decrease of set width over 5 seconds), burst(8 pulse per burst, 2 burst per second) and cycled burst (0.5 seconds on , 0.5 seconds off). The pulse rate adjusts rate from 1-150 Hz and the pulse width adjusts rate from 10-250us. Patient timer (0,15,30,60 min) for desired treatment periods. Output intensity adjustable from 0-98mA. Kit includes four pigtail electrodes, two pairs of lead wires, four AA batteries, carrying case and instructions. 3.25"L x 2.25"W x 1 5/8"H. Limited...