Sudden cardiac arrest (SCA) can happen to anyone, anywhere. Immediate treatment is vital - a victim's chance of survival dramatically decreases very minute without treatment. LIFEPAK CR2 Semi-Automatic English AED provides a reliable solution, so when an emergency happens, you have the best. Layered design features bold, easy-to-follow graphics so that both trained and untrained AED users clearly know how to begin. QUIK-STEP electrodes peel directly off the base for fast-and-easy placement. Metronome and CPR coaching sets an effective pace and audibly guides users, while ClearVoice technology detects background noise and adjusts the volume accordingly for guaranteed clear instruction. Highest available escalating energy provides more effective shocks as needed, while the Child Mode delivers lower energy levels appropriate for young children - without having to change electrodes. Defibrillator features USB data transfer with internal ECG storage. AED comes with a Patient Prep Kit with emergency tools for cutting clothing, removing hair and skin preparation. Designed for utmost durability and portability, the robust Rugged Case with a carrying handle keeps life-saving equipment protected and accessible. Case boasts an IP67 Waterproof Rating for superior protection against water and dust.