Do you have tension and muscle aches? Attach machine electrodes to the affected area, select the program and intensity level, sit back and take it easy, the machine will take care of you. Eight programs and ten intensity levels give you a versatile electric nerve stimulator for the best possible relaxation. The compact machine follows therapy"s technique of stimulating muscles with low-frequency impulses, which can relieve pain and help you release tension. It is advantageously used on shoulders and lumbar spine. Electrical nerve stimulator that uses low-frequency impulses. Specifications: Material: Plast Dimensions. approx. 8 x 10 x 2 cm Battery: 2x AAA (supplied) Number of Programs: 8 Number of Intensity Levels: 10 Power: 3 W Power: 350 mA Frequency: 1-330Hz Packaging Contains : 1x Electrocontrol 4x Electrode 4x Leading Cushion