The Ruby 100 is a water resistant multi function heart rate monitor and wrist-watch. The heart beat signal is transmitted via a comfortable, adjustable chest strap, and is a vital piece of training equipment for cycling, running and a miltitude of other sporting activities.

Supplied with the Ruby 100 is a handlebar mount to make viewing the monitor easier when cycling. (View Zoom image for details).

Watch Functions:

• Time 12/24 Hour Format, Weekday
• Chronometer (1/100 sec)
• Countdown Timer
• Alarm (set#)
• Calendar
• Chime (key beep)

Basic Functions:

• Current Heart Rate
• Visual Alarm (Out of the target zone)
• Audible Alarm (Out of the target zone)
• EL Back Light
• Water Resistant
• Low Battery Indicator

Heart Rate Functions:

• Exercise Time
• K_Calories
• Time in Target Zone
• Time over Targer Zone
• Average Heart Rate
• Maximum Heart Rate
• Heart Rate Controlled Stopwatch
• TZ: Manual Change

* The Ruby 100 is not guaranteed waterproof, so it is not suited to swimming or other water sports. It is however sealed against splashes and perspiration.