Nurse Rosie Products recently introduced the HeartSine samaritan 300P Public Access Defibrillator with SCOPE technology. The product was designed for use on adults and children. This defibrillator determines whether a shock needs to be administered, while also calculating the exact amount of energy required to optimize recovery. The unit has a 10-year warranty. Although lightweight, it is also designed to take a pounding, according to its manufacturer.