HeartSine 450P BATTERY & PAD EXPIRATION: 4 year life, exp date printed *combined battery and pad SHOCK FUNCTION: semi automatic PEDIATRIC FUNCTION: pedi pads available IP RATING: IP 56 Troubleshooting Guide Manufacturer Manual Contact Via Heart Project 1-800-284-0125 info@viaheartproject.org Troubleshooting Guide Installing New Supplies To order new supplies, AEDs, or for any other questions or purchases, please call or email Via Heart Project at 800-284-0125 or info@viaheartproject.org.