An AED Trainer can be used to instruct students in the use of an AED combined with a CPR program. AED4U.com features AED training units from Zoll, Philips, Heartsine and Defibtech. AED training units help students to get familiar with the steps necessary to provide defibrillation to a potential victim. AED4U.com strongly believes in regular training in the use of an automated external defibrillator to strengthen the chain of survival.