Trainer electrodes provide a safe, reliable way to practice AED use with HeartSine® devices, helping users build confidence and skills for real-life emergencies. • Compatible with all HeartSine® AED Trainer models. • Allows safe, repeatable practice for effective AED training. • Supports skill retention and confidence during emergency drills. • Ensures long-lasting training sessions and group practice. Trainer electrodes provide a safe, reliable way to practice AED use with HeartSine® devices, helping users build confidence and skills for real-life emergencies. Accessory Type: Training Electrodes; For Use With: HeartSine® Trainer.