The HeartStart FRx was built to surpass rigorous testing requirements: withstanding jetting water, crushing loads of up to 500 pounds, and a one-meter drop onto concrete. The HeartStart FRx features CPR coaching and intuitive icon-driven operation. Calm, clear voice instructions are tailored to the responder’s actions, providing guidance during the resuscitation of an SCA victim. Only weighing 1.5 kg, the HeartStart FRx is light and portable for easy transport. Safely delivering maximum shock strength: Philips SMART Biphasic therapy uses a unique combination of high current to increase effectiveness, and a lower energy dose to decrease side effects that are harmful to a fragile heart. Size: 6 cm x 18 cm x 22 cm (H x D x W) Weight With battery and pads case: 1.5 kg Without battery or pads case: 1.2 kg