Intuitive design -easy "1-2-3" operation Compact size -ideal for small spaces Follows American Heart Association energy protocols Comprehensive device self checks, making the AED 10 virtually maintenance-free High-resolution backlit display, easy viewing in direct sunlight or poor lighting environments Lightweight - among the lightest weight device in its class Only one lithium battery is required for years of standby performance Large internal memory Welch Allyn Orbital Biphasic Technology Wireless (IR) Communications - "beam" event data to PC or printer Battery life gauge