Graham-Field SW1000 Standard Tens Unit Dual Channel 3 Modes Standard Burst & Modulation Deluxe Case 1/EA

Deluxe hard sided carrying case, accessories and battery are included Can use one 9V rechargeable NiCad battery Unit weight with battery is 0.03 pounds (13 g) Unit dimensions are 2.52 X 0.94 X 3.74 inch Burst mode: 2 bursts per second, 7 pulses per burst at 100 Hz rate Modulation mode: pulse width is automatically varied in a cyclic pattern over an interval of nominally 4 seconds Modulation mode; pulse width decreases linearly over a period of 1 second from control setting value to a value which is decreased 40% maximum Modulation mode: the narrower pulse width will continue for 1.5 seconds then increase linearly over 1.5 seconds to its original value before cycle is repeated