TNOV1000 Features: * Comes in a beautiful box and heart rate monitor watch, instruction manual * Elastic chest strap transmits heart EKG to wristwatch * Heart rate zone alert (upper and lower limit) * Current time mode: Hour, minute and second; month, day, day of week and year; 12/24 hour format or month-day/day-month format selectable * Auto calendar from year 2000 to 2099 * Birthday range from year 1900 to 2099 * Automatic age calculation from birthday for estimated maximum heart rate calculation * Hourly chime on the hours * Key tone ON/OFF * Daily alarm: Duration - about 30s * Chronograph mode resolution: 1/100s; counting range: 99h, 59m, 59.99s * Countdown timer mode resolution: 1s; setting limit: 99h, 59m, 59.99s * Heart rate exercise timer resolution: 1s; counting range: 9h, 59m, 59s * Electro-luminescent backlight * Heart rate mode/ measuring range: 40 to 240 bpm * Default heart rate zone value: 126/165 bpm for lower/higher limit respectively Color/Finish: * Color: Black Dimensions: * Dimensions: 3.5" H x 4.5" W x 5" D Collection: * Beatech collection Warranty: * Warranty: 1 Year