The HeartStart FRx Defibrillator has FDA clearance and is designed for ruggedness and ease of use. The automated external defibrillator (AED) offers such features as wireless data transfer; an infant/child key, which signals to the device that an infant or small child is being treated; and SMART Pads II. Clear voice commands guide responder through every step of the defibrillation process.Royal Philips Electronics, Andover, MA.