Product Information:

• Features an altimeter with a range up to 9,000 meters (29,500 feet), with a one-meter resolution.
• 24-hour memory stores the altitude and ascent/descent rate for every hour
• Automatically records barometric data for the past four days in one- and six-hour intervals
• Calendar clock is pre-programmed to the year 2089 with three daily alarms, a dual time display, and a stopwatch with lap and split time functions
• Features ergonomic design with a large display, electro-luminescent backlight, convenient control buttons, and user-replaceable battery