Simple, clear, and straightforward: there are only two buttons on the unit, a green button to turn the unit on, and a red one to shock the patient if needed. The Lifeline AED: simple and intuitive. As protocols change over time, your unit can be upgraded in the field simply by inserting a data card. Data from the unit is recorded and easily retrieved from the device using a data card. Two long-life batteries are available: a 5-year battery that will deliver 125 shocks or work continuously for 8 hours or a 7-year battery, unique in the industry, which will deliver 300 shocks or work continuously for 16 hours. Lightweight, fully integrated design with no lids or moving parts that would confuse or delay a rescue; a roomy handle big enough even for gloved hands, and rubberized surfaces to ensure a sure grip in an emergency. The actively illuminated status indicator shows unit readiness, to ensure that the unit is ready to perform anytime, every time. Extremely durable; manufactured to withstand dust and water ingress; tested to military standards for shock and vibration; jet aircraft and helicopter tested. Full colour interactive display Video AND Voice CPR coaching means users of any experience level can provide effective lifesaving care Ability to switch over in real time from either compression only CPR or compression and rescue breathing CPR