The ITA-MED EMS-1300 Deluxe EMS, Dual Channel (Style I-EMS-1300)uses Electronic Muscle Stimulation or neuromuscular stimulation which causes muscles to exercise passively. EMS improves blood circulation, enhances muscle strength, and relieves pain. Additional Information * Proven effective approach to treating muscle injuries * Digital technology provides accurate signal output * Dual isolated channels, 2 leads per channel * Includes carrying case, lead wires, 9-volt battery, electrodes, and manual * Includes manufacturers 5-year warranty * New improved 360-degree lead wire connector * Includes lead wires electrodes and 9-volt battery * Dual isolated channels 2 leads per channel * Digital technology provides accurate signal output * Dimensions: 11.25L x 2.25W x 7.25H in.