Intuitive design - Simple "1-2-3" operation. High resolution backlit display - Easy viewing in direct sunlight or poor lighting environments High performance Long-life Battery - 5 years standby after installation and Battery Life Gauge Lightweight and Compact Internal memory Welch Allyn Biphasic Technology minimises risk of heart tissue damage Wireless (IR) communications - Beam data to PC or printer Supplied complete with Carry Case 5 year warranty