(1)Ultra red light sensor detecting pulse;

(2)Average pulse rate over 5 seconds;

(3)Calorie counter at different exercise levels;

(4)Daily alarm / Hourly Chime;

(5)Stop watch;

(6)12/24 hr.Mode selection;

(7)3ATM Waterproof 100% tested;

(8)Japanese Lithium Battery:2-3 years.