Life Corp.'s StartSystem includes an oxygen unit and optional Automated External Defibrillator (AED). The kit, which weighs only eight pounds, arrives in a durable and water resistant briefcase measuring 12-x-12-x-3 inches. The kit includes a LIFE-O2 oxygen tank with "norm" and "high" settings to deliver 6 or 12 liters per minute (LPM) for more than 15 minutes. Once empty, the aluminum canister can be disposed or refilled. The included LIFE CPR mask fits adults and children. The Philips On-Site AED can be purchased separately.