ECG Electrode [Foam backing,Oval],match with various ECG devices,widely applied ... ,oval shape,foam backing,Solid conductive gel,Ag/AgCl sensor.3).Components: Metal snap,Ag/AgCI sensor,low impedance solid medical ... increases in the first few hours after application,helping the electrode to stay in place for long term monitoring;-High permeability ... : 45cm×34cm×29cm G.W/N.W:6kg/5kg. ECG Electrode