Realistic AED trainer that simulates the HeartStart FR2 AED in appearance, operation, and voice prompts. The Laerdal AED Trainer 2 is an affordable AED training solution that simulates the Heartstart® FR2 AED in appearance, operation, and voice prompts. The AED Trainer 2 is an affordable alternative for teaching both laypeople and professional healthcare providers the effective use of an AED.AEDs in training mode resemble actual AEDs but do not deliver a live shock. This method is best for short training sessions with a small number of potential users.