The Cardio monitor reads pulse from a fingertip and displays results digitally. Its easy to read and operate, and includes a handy neck strap for use during exercise. Simply touch the control button to switch from pulse meter to time clock mode and the digital display shows either heart rate or time of day. Available in Black. Features: Measures heart rate in seconds, easy to read and operate, convenient to use during any exercise program, pulse control button, neck strap, digital display, CAPACITY: 30-250 Pulses per minute, PRECISION: Plus or minus 5%, CLOCK: Hour-Minute Display (12 Hour Display).