The Philips HeartStart OnSite AED assists you through the process of treating a victim of suspected sudden cardiac arrest (SCA) and is the only AED available over the counter. OnSite provides practical, real-time guidance through step-by-step voice commands and CPR guidance. 
 
• Includes features to help guide the treatment of SCA with easy setup, clear voice commands and real-time metronome
• Arrives virtually ready to use – with the Ready-Pack configuration, OnSite is positioned inside the carry case with Adult SMART Pads Cartridge and battery already installed and with a spare Adult SMART Pads Cartridge in place
• Guides you through a cardiac emergency with a simple, step-by-step process, adaptive instructions and intelligent sensors to help deliver therapy
• Use on infants and children under 25 kg (55 lb) or 0-8 years old, and adults and children over 25 kg (55 lb) or greater than 8 years old
• Senses when the special Infant/Child SMART Pads Cartridge is installed, and automatically adjusts CPR instructions and shock energy
• Can be converted to a trainer with installation of training pads cartridge
• Conducts a series of automatic self-tests daily, weekly and monthly, to check pad readiness and verify functionality and calibration of circuits and systems