Not for Clinical use Replacement Adult Training Electrode Pads for the Red Cross AED Trainer. Includes 2 pair of pads with attached simulated wires and yellow connector. Graphics on the electrode pads show proper adult pad placement. Pls make a judgment before use it.if it is too sticky between the AED training pads and training model,you can smear appropriate oil to reduce stickiness and avoid to damage the model,also can be used for much more times