Stopwatch Features 1/100 SEC Stopwatch Count Up Timer 12/24 Time Display (hour, minute and second) Calendar (date and month, No year) and week A group of Alarm PS material, durable and lightweight Material: PS stopwatch with nylon lanyard Package Included Stopwatch X 4 AG13 Button Cell X 8 (1 in each stopwatch compartment, and extra 4 in package..