This semi-automatic configuration places control of shock delivery in the responder’s hands, combining clear voice prompts and a flashing shock button so users can visually confirm that everyone is clear before activating therapy. Supplied as a single defibrillator unit, this LIFEPAK CR2 Essential Semi-Automatic model is ideal where one dependable device is needed for a workplace, community venue, or household, combining advanced analysis technology and CPR coaching in a compact, easy-to-recognise design. This product is not a substitute for direct medical attention from a healthcare practitioner. Always read the label and follow the directions for use.