Conform to the AHA & ERC guidelines Equipped with replaceable artificial lungs Voice prompt when the chest compression depth exceeds 5cm. The Oral and nasal passages allow realistic nose pinch while providing breath.The forehead illumination indicates that the blood is already reached the brain. It also indicates the compression rate & depth are as per the standard. Real-time analytical report on smart devices can improve CPR quality by helping learners to perform chest compression at right point with correct depth & rate.