Dual channel analog TENS device 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 - 150Hz and the pulse width adjusts from 50 -250us. Output intensity adjustable from 0-80mA. Features covered amplitude knobs and hinged battery cover. To provide comfort while wearing, the belt clip has been positioned horizontally. 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. Limited 5-year warranty.HCPCs Code : E0730